18638550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 58767072

約数和(自身を除く): 40128522

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 61, 63, 70, 75, 90, 97, 105, 122, 126, 150, 175, 183, 194, 210, 225, 291, 305, 315, 350, 366, 427, 450, 485, 525, 549, 582, 610, 630, 679, 854, 873, 915, 970, 1050, 1098, 1281, 1358, 1455, 1525, 1575, 1746, 1830, 2037, 2135, 2425, 2562, 2745, 2910, 3050, 3150, 3395, 3843, 4074, 4270, 4365, 4575, 4850, 5490, 5917, 6111, 6405, 6790, 7275, 7686, 8730, 9150, 10185, 10675, 11834, 12222, 12810, 13725, 14550, 16975, 17751, 19215, 20370, 21350, 21825, 27450, 29585, 30555, 32025, 33950, 35502, 38430, 41419, 43650, 50925, 53253, 59170, 61110, 64050, 82838, 88755, 96075, 101850, 106506, 124257, 147925, 152775, 177510, 192150, 207095, 248514, 266265, 295850, 305550, 372771, 414190, 443775, 532530, 621285, 745542, 887550, 1035475, 1242570, 1331325, 1863855, 2070950, 2662650, 3106425, 3727710, 6212850, 9319275, 18638550]

約数ペア:

[(1, 18638550), (2, 9319275), (3, 6212850), (5, 3727710), (6, 3106425), (7, 2662650), (9, 2070950), (10, 1863855), (14, 1331325), (15, 1242570), (18, 1035475), (21, 887550), (25, 745542), (30, 621285), (35, 532530), (42, 443775), (45, 414190), (50, 372771), (61, 305550), (63, 295850), (70, 266265), (75, 248514), (90, 207095), (97, 192150), (105, 177510), (122, 152775), (126, 147925), (150, 124257), (175, 106506), (183, 101850), (194, 96075), (210, 88755), (225, 82838), (291, 64050), (305, 61110), (315, 59170), (350, 53253), (366, 50925), (427, 43650), (450, 41419), (485, 38430), (525, 35502), (549, 33950), (582, 32025), (610, 30555), (630, 29585), (679, 27450), (854, 21825), (873, 21350), (915, 20370), (970, 19215), (1050, 17751), (1098, 16975), (1281, 14550), (1358, 13725), (1455, 12810), (1525, 12222), (1575, 11834), (1746, 10675), (1830, 10185), (2037, 9150), (2135, 8730), (2425, 7686), (2562, 7275), (2745, 6790), (2910, 6405), (3050, 6111), (3150, 5917), (3395, 5490), (3843, 4850), (4074, 4575), (4270, 4365)]