19353640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11801}}^1$

素因数の和:11853

約数の個数: 32

約数和(自身を含む): 44611560

約数和(自身を除く): 25257920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11801, 23602, 47204, 59005, 94408, 118010, 236020, 472040, 483841, 967682, 1935364, 2419205, 3870728, 4838410, 9676820, 19353640]

約数ペア:

[(1, 19353640), (2, 9676820), (4, 4838410), (5, 3870728), (8, 2419205), (10, 1935364), (20, 967682), (40, 483841), (41, 472040), (82, 236020), (164, 118010), (205, 94408), (328, 59005), (410, 47204), (820, 23602), (1640, 11801)]