19764978

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{617}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 41826240

約数和(自身を除く): 22061262

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 281, 562, 617, 843, 1234, 1686, 1851, 3702, 5339, 10678, 11723, 16017, 23446, 32034, 35169, 70338, 173377, 346754, 520131, 1040262, 3294163, 6588326, 9882489, 19764978]

約数ペア:

[(1, 19764978), (2, 9882489), (3, 6588326), (6, 3294163), (19, 1040262), (38, 520131), (57, 346754), (114, 173377), (281, 70338), (562, 35169), (617, 32034), (843, 23446), (1234, 16017), (1686, 11723), (1851, 10678), (3702, 5339)]