18687150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:466

約数の個数: 72

約数和(自身を含む): 50748984

約数和(自身を除く): 32061834

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 131, 150, 225, 262, 317, 393, 450, 634, 655, 786, 951, 1179, 1310, 1585, 1902, 1965, 2358, 2853, 3170, 3275, 3930, 4755, 5706, 5895, 6550, 7925, 9510, 9825, 11790, 14265, 15850, 19650, 23775, 28530, 29475, 41527, 47550, 58950, 71325, 83054, 124581, 142650, 207635, 249162, 373743, 415270, 622905, 747486, 1038175, 1245810, 1868715, 2076350, 3114525, 3737430, 6229050, 9343575, 18687150]

約数ペア:

[(1, 18687150), (2, 9343575), (3, 6229050), (5, 3737430), (6, 3114525), (9, 2076350), (10, 1868715), (15, 1245810), (18, 1038175), (25, 747486), (30, 622905), (45, 415270), (50, 373743), (75, 249162), (90, 207635), (131, 142650), (150, 124581), (225, 83054), (262, 71325), (317, 58950), (393, 47550), (450, 41527), (634, 29475), (655, 28530), (786, 23775), (951, 19650), (1179, 15850), (1310, 14265), (1585, 11790), (1902, 9825), (1965, 9510), (2358, 7925), (2853, 6550), (3170, 5895), (3275, 5706), (3930, 4755)]