18626350

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 36533376

約数和(自身を除く): 17907026

約数列:

[1, 2, 5, 10, 25, 31, 50, 61, 62, 122, 155, 197, 305, 310, 394, 610, 775, 985, 1525, 1550, 1891, 1970, 3050, 3782, 4925, 6107, 9455, 9850, 12017, 12214, 18910, 24034, 30535, 47275, 60085, 61070, 94550, 120170, 152675, 300425, 305350, 372527, 600850, 745054, 1862635, 3725270, 9313175, 18626350]

約数ペア:

[(1, 18626350), (2, 9313175), (5, 3725270), (10, 1862635), (25, 745054), (31, 600850), (50, 372527), (61, 305350), (62, 300425), (122, 152675), (155, 120170), (197, 94550), (305, 61070), (310, 60085), (394, 47275), (610, 30535), (775, 24034), (985, 18910), (1525, 12214), (1550, 12017), (1891, 9850), (1970, 9455), (3050, 6107), (3782, 4925)]