17940430

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4519}}^1$

素因数の和:4923

約数の個数: 16

約数和(自身を含む): 32381280

約数和(自身を除く): 14440850

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 4519, 9038, 22595, 45190, 1794043, 3588086, 8970215, 17940430]

約数ペア:

[(1, 17940430), (2, 8970215), (5, 3588086), (10, 1794043), (397, 45190), (794, 22595), (1985, 9038), (3970, 4519)]