18351900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{971}}^1$

素因数の和:1001

約数の個数: 144

約数和(自身を含む): 67495680

約数和(自身を除く): 49143780

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, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 971, 1050, 1260, 1350, 1575, 1890, 1942, 2100, 2700, 2913, 3150, 3780, 3884, 4725, 4855, 5826, 6300, 6797, 8739, 9450, 9710, 11652, 13594, 14565, 17478, 18900, 19420, 20391, 24275, 26217, 27188, 29130, 33985, 34956, 40782, 43695, 48550, 52434, 58260, 61173, 67970, 72825, 81564, 87390, 97100, 101955, 104868, 122346, 131085, 135940, 145650, 169925, 174780, 183519, 203910, 218475, 244692, 262170, 291300, 305865, 339850, 367038, 407820, 436950, 509775, 524340, 611730, 655425, 679700, 734076, 873900, 917595, 1019550, 1223460, 1310850, 1529325, 1835190, 2039100, 2621700, 3058650, 3670380, 4587975, 6117300, 9175950, 18351900]

約数ペア:

[(1, 18351900), (2, 9175950), (3, 6117300), (4, 4587975), (5, 3670380), (6, 3058650), (7, 2621700), (9, 2039100), (10, 1835190), (12, 1529325), (14, 1310850), (15, 1223460), (18, 1019550), (20, 917595), (21, 873900), (25, 734076), (27, 679700), (28, 655425), (30, 611730), (35, 524340), (36, 509775), (42, 436950), (45, 407820), (50, 367038), (54, 339850), (60, 305865), (63, 291300), (70, 262170), (75, 244692), (84, 218475), (90, 203910), (100, 183519), (105, 174780), (108, 169925), (126, 145650), (135, 135940), (140, 131085), (150, 122346), (175, 104868), (180, 101955), (189, 97100), (210, 87390), (225, 81564), (252, 72825), (270, 67970), (300, 61173), (315, 58260), (350, 52434), (378, 48550), (420, 43695), (450, 40782), (525, 34956), (540, 33985), (630, 29130), (675, 27188), (700, 26217), (756, 24275), (900, 20391), (945, 19420), (971, 18900), (1050, 17478), (1260, 14565), (1350, 13594), (1575, 11652), (1890, 9710), (1942, 9450), (2100, 8739), (2700, 6797), (2913, 6300), (3150, 5826), (3780, 4855), (3884, 4725)]