18641656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{733}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 40560840

約数和(自身を除く): 21919184

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 289, 374, 578, 733, 748, 1156, 1466, 1496, 2312, 2932, 3179, 5864, 6358, 8063, 12461, 12716, 16126, 24922, 25432, 32252, 49844, 64504, 99688, 137071, 211837, 274142, 423674, 548284, 847348, 1096568, 1694696, 2330207, 4660414, 9320828, 18641656]

約数ペア:

[(1, 18641656), (2, 9320828), (4, 4660414), (8, 2330207), (11, 1694696), (17, 1096568), (22, 847348), (34, 548284), (44, 423674), (68, 274142), (88, 211837), (136, 137071), (187, 99688), (289, 64504), (374, 49844), (578, 32252), (733, 25432), (748, 24922), (1156, 16126), (1466, 12716), (1496, 12461), (2312, 8063), (2932, 6358), (3179, 5864)]