12505990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9403}}^1$

素因数の和:9436

約数の個数: 32

約数和(自身を含む): 27083520

約数和(自身を除く): 14577530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 9403, 18806, 47015, 65821, 94030, 131642, 178657, 329105, 357314, 658210, 893285, 1250599, 1786570, 2501198, 6252995, 12505990]

約数ペア:

[(1, 12505990), (2, 6252995), (5, 2501198), (7, 1786570), (10, 1250599), (14, 893285), (19, 658210), (35, 357314), (38, 329105), (70, 178657), (95, 131642), (133, 94030), (190, 65821), (266, 47015), (665, 18806), (1330, 9403)]