18578248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4357}}^1$

素因数の和:4417

約数の個数: 32

約数和(自身を含む): 38437560

約数和(自身を除く): 19859312

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4357, 8714, 17428, 34856, 56641, 113282, 178637, 226564, 357274, 453128, 714548, 1429096, 2322281, 4644562, 9289124, 18578248]

約数ペア:

[(1, 18578248), (2, 9289124), (4, 4644562), (8, 2322281), (13, 1429096), (26, 714548), (41, 453128), (52, 357274), (82, 226564), (104, 178637), (164, 113282), (328, 56641), (533, 34856), (1066, 17428), (2132, 8714), (4264, 4357)]