18261488

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1583}}^1$

素因数の和:1701

約数の個数: 40

約数和(自身を含む): 40854528

約数和(自身を除く): 22593040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1583, 1648, 2884, 3166, 5768, 6332, 11081, 11536, 12664, 22162, 25328, 44324, 88648, 163049, 177296, 326098, 652196, 1141343, 1304392, 2282686, 2608784, 4565372, 9130744, 18261488]

約数ペア:

[(1, 18261488), (2, 9130744), (4, 4565372), (7, 2608784), (8, 2282686), (14, 1304392), (16, 1141343), (28, 652196), (56, 326098), (103, 177296), (112, 163049), (206, 88648), (412, 44324), (721, 25328), (824, 22162), (1442, 12664), (1583, 11536), (1648, 11081), (2884, 6332), (3166, 5768)]