19301980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23539}}^1$

素因数の和:23589

約数の個数: 24

約数和(自身を含む): 41524560

約数和(自身を除く): 22222580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23539, 47078, 94156, 117695, 235390, 470780, 965099, 1930198, 3860396, 4825495, 9650990, 19301980]

約数ペア:

[(1, 19301980), (2, 9650990), (4, 4825495), (5, 3860396), (10, 1930198), (20, 965099), (41, 470780), (82, 235390), (164, 117695), (205, 94156), (410, 47078), (820, 23539)]