18389700

素因数分解:

$2^2\times 3^3\times 5^2\times 7^2\times {\mathrm{139}}^1$

素因数の和:176

約数の個数: 216

約数和(自身を含む): 69266400

約数和(自身を除く): 50876700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 49, 50, 54, 60, 63, 70, 75, 84, 90, 98, 100, 105, 108, 126, 135, 139, 140, 147, 150, 175, 180, 189, 196, 210, 225, 245, 252, 270, 278, 294, 300, 315, 350, 378, 417, 420, 441, 450, 490, 525, 540, 556, 588, 630, 675, 695, 700, 735, 756, 834, 882, 900, 945, 973, 980, 1050, 1225, 1251, 1260, 1323, 1350, 1390, 1470, 1575, 1668, 1764, 1890, 1946, 2085, 2100, 2205, 2450, 2502, 2646, 2700, 2780, 2919, 2940, 3150, 3475, 3675, 3753, 3780, 3892, 4170, 4410, 4725, 4865, 4900, 5004, 5292, 5838, 6255, 6300, 6615, 6811, 6950, 7350, 7506, 8340, 8757, 8820, 9450, 9730, 10425, 11025, 11676, 12510, 13230, 13622, 13900, 14595, 14700, 15012, 17514, 18765, 18900, 19460, 20433, 20850, 22050, 24325, 25020, 26271, 26460, 27244, 29190, 31275, 33075, 34055, 35028, 37530, 40866, 41700, 43785, 44100, 48650, 52542, 58380, 61299, 62550, 66150, 68110, 72975, 75060, 81732, 87570, 93825, 97300, 102165, 105084, 122598, 125100, 131355, 132300, 136220, 145950, 170275, 175140, 183897, 187650, 204330, 218925, 245196, 262710, 291900, 306495, 340550, 367794, 375300, 408660, 437850, 510825, 525420, 612990, 656775, 681100, 735588, 875700, 919485, 1021650, 1225980, 1313550, 1532475, 1838970, 2043300, 2627100, 3064950, 3677940, 4597425, 6129900, 9194850, 18389700]

約数ペア:

[(1, 18389700), (2, 9194850), (3, 6129900), (4, 4597425), (5, 3677940), (6, 3064950), (7, 2627100), (9, 2043300), (10, 1838970), (12, 1532475), (14, 1313550), (15, 1225980), (18, 1021650), (20, 919485), (21, 875700), (25, 735588), (27, 681100), (28, 656775), (30, 612990), (35, 525420), (36, 510825), (42, 437850), (45, 408660), (49, 375300), (50, 367794), (54, 340550), (60, 306495), (63, 291900), (70, 262710), (75, 245196), (84, 218925), (90, 204330), (98, 187650), (100, 183897), (105, 175140), (108, 170275), (126, 145950), (135, 136220), (139, 132300), (140, 131355), (147, 125100), (150, 122598), (175, 105084), (180, 102165), (189, 97300), (196, 93825), (210, 87570), (225, 81732), (245, 75060), (252, 72975), (270, 68110), (278, 66150), (294, 62550), (300, 61299), (315, 58380), (350, 52542), (378, 48650), (417, 44100), (420, 43785), (441, 41700), (450, 40866), (490, 37530), (525, 35028), (540, 34055), (556, 33075), (588, 31275), (630, 29190), (675, 27244), (695, 26460), (700, 26271), (735, 25020), (756, 24325), (834, 22050), (882, 20850), (900, 20433), (945, 19460), (973, 18900), (980, 18765), (1050, 17514), (1225, 15012), (1251, 14700), (1260, 14595), (1323, 13900), (1350, 13622), (1390, 13230), (1470, 12510), (1575, 11676), (1668, 11025), (1764, 10425), (1890, 9730), (1946, 9450), (2085, 8820), (2100, 8757), (2205, 8340), (2450, 7506), (2502, 7350), (2646, 6950), (2700, 6811), (2780, 6615), (2919, 6300), (2940, 6255), (3150, 5838), (3475, 5292), (3675, 5004), (3753, 4900), (3780, 4865), (3892, 4725), (4170, 4410)]