18815460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{563}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 52871616

約数和(自身を除く): 34056156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 557, 563, 1114, 1126, 1671, 1689, 2228, 2252, 2785, 2815, 3342, 3378, 5570, 5630, 6684, 6756, 8355, 8445, 11140, 11260, 16710, 16890, 33420, 33780, 313591, 627182, 940773, 1254364, 1567955, 1881546, 3135910, 3763092, 4703865, 6271820, 9407730, 18815460]

約数ペア:

[(1, 18815460), (2, 9407730), (3, 6271820), (4, 4703865), (5, 3763092), (6, 3135910), (10, 1881546), (12, 1567955), (15, 1254364), (20, 940773), (30, 627182), (60, 313591), (557, 33780), (563, 33420), (1114, 16890), (1126, 16710), (1671, 11260), (1689, 11140), (2228, 8445), (2252, 8355), (2785, 6756), (2815, 6684), (3342, 5630), (3378, 5570)]