19366672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5477}}^1$

素因数の和:5515

約数の個数: 40

約数和(自身を含む): 42794136

約数和(自身を除く): 23427464

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5477, 10954, 21908, 43816, 71201, 87632, 93109, 142402, 186218, 284804, 372436, 569608, 744872, 1139216, 1210417, 1489744, 2420834, 4841668, 9683336, 19366672]

約数ペア:

[(1, 19366672), (2, 9683336), (4, 4841668), (8, 2420834), (13, 1489744), (16, 1210417), (17, 1139216), (26, 744872), (34, 569608), (52, 372436), (68, 284804), (104, 186218), (136, 142402), (208, 93109), (221, 87632), (272, 71201), (442, 43816), (884, 21908), (1768, 10954), (3536, 5477)]