17986736

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1389

約数の個数: 40

約数和(自身を含む): 37375584

約数和(自身を除く): 19388848

約数列:

[1, 2, 4, 8, 16, 23, 37, 46, 74, 92, 148, 184, 296, 368, 592, 851, 1321, 1702, 2642, 3404, 5284, 6808, 10568, 13616, 21136, 30383, 48877, 60766, 97754, 121532, 195508, 243064, 391016, 486128, 782032, 1124171, 2248342, 4496684, 8993368, 17986736]

約数ペア:

[(1, 17986736), (2, 8993368), (4, 4496684), (8, 2248342), (16, 1124171), (23, 782032), (37, 486128), (46, 391016), (74, 243064), (92, 195508), (148, 121532), (184, 97754), (296, 60766), (368, 48877), (592, 30383), (851, 21136), (1321, 13616), (1702, 10568), (2642, 6808), (3404, 5284)]