18416528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2393}}^1$

素因数の和:2451

約数の個数: 40

約数和(自身を含む): 39481848

約数和(自身を除く): 21065320

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2393, 3848, 4786, 7696, 9572, 19144, 31109, 38288, 62218, 88541, 124436, 177082, 248872, 354164, 497744, 708328, 1151033, 1416656, 2302066, 4604132, 9208264, 18416528]

約数ペア:

[(1, 18416528), (2, 9208264), (4, 4604132), (8, 2302066), (13, 1416656), (16, 1151033), (26, 708328), (37, 497744), (52, 354164), (74, 248872), (104, 177082), (148, 124436), (208, 88541), (296, 62218), (481, 38288), (592, 31109), (962, 19144), (1924, 9572), (2393, 7696), (3848, 4786)]