18809640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52249}}^1$

素因数の和:52266

約数の個数: 48

約数和(自身を含む): 61132500

約数和(自身を除く): 42322860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52249, 104498, 156747, 208996, 261245, 313494, 417992, 470241, 522490, 626988, 783735, 940482, 1044980, 1253976, 1567470, 1880964, 2089960, 2351205, 3134940, 3761928, 4702410, 6269880, 9404820, 18809640]

約数ペア:

[(1, 18809640), (2, 9404820), (3, 6269880), (4, 4702410), (5, 3761928), (6, 3134940), (8, 2351205), (9, 2089960), (10, 1880964), (12, 1567470), (15, 1253976), (18, 1044980), (20, 940482), (24, 783735), (30, 626988), (36, 522490), (40, 470241), (45, 417992), (60, 313494), (72, 261245), (90, 208996), (120, 156747), (180, 104498), (360, 52249)]