18474365

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2181

約数の個数: 32

約数和(自身を含む): 28734720

約数和(自身を除く): 10260355

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 2137, 8645, 10685, 14959, 27781, 40603, 74795, 138905, 194467, 203015, 284221, 527839, 972335, 1421105, 2639195, 3694873, 18474365]

約数ペア:

[(1, 18474365), (5, 3694873), (7, 2639195), (13, 1421105), (19, 972335), (35, 527839), (65, 284221), (91, 203015), (95, 194467), (133, 138905), (247, 74795), (455, 40603), (665, 27781), (1235, 14959), (1729, 10685), (2137, 8645)]