19842978

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{857}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 42254784

約数和(自身を除く): 22411806

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 227, 454, 681, 857, 1362, 1714, 2571, 3859, 5142, 7718, 11577, 14569, 23154, 29138, 43707, 87414, 194539, 389078, 583617, 1167234, 3307163, 6614326, 9921489, 19842978]

約数ペア:

[(1, 19842978), (2, 9921489), (3, 6614326), (6, 3307163), (17, 1167234), (34, 583617), (51, 389078), (102, 194539), (227, 87414), (454, 43707), (681, 29138), (857, 23154), (1362, 14569), (1714, 11577), (2571, 7718), (3859, 5142)]