18867720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157231}}^1$

素因数の和:157245

約数の個数: 32

約数和(自身を含む): 56603520

約数和(自身を除く): 37735800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157231, 314462, 471693, 628924, 786155, 943386, 1257848, 1572310, 1886772, 2358465, 3144620, 3773544, 4716930, 6289240, 9433860, 18867720]

約数ペア:

[(1, 18867720), (2, 9433860), (3, 6289240), (4, 4716930), (5, 3773544), (6, 3144620), (8, 2358465), (10, 1886772), (12, 1572310), (15, 1257848), (20, 943386), (24, 786155), (30, 628924), (40, 471693), (60, 314462), (120, 157231)]