18982850

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 37545216

約数和(自身を除く): 18562366

約数列:

[1, 2, 5, 10, 25, 31, 37, 50, 62, 74, 155, 185, 310, 331, 370, 662, 775, 925, 1147, 1550, 1655, 1850, 2294, 3310, 5735, 8275, 10261, 11470, 12247, 16550, 20522, 24494, 28675, 51305, 57350, 61235, 102610, 122470, 256525, 306175, 379657, 513050, 612350, 759314, 1898285, 3796570, 9491425, 18982850]

約数ペア:

[(1, 18982850), (2, 9491425), (5, 3796570), (10, 1898285), (25, 759314), (31, 612350), (37, 513050), (50, 379657), (62, 306175), (74, 256525), (155, 122470), (185, 102610), (310, 61235), (331, 57350), (370, 51305), (662, 28675), (775, 24494), (925, 20522), (1147, 16550), (1550, 12247), (1655, 11470), (1850, 10261), (2294, 8275), (3310, 5735)]