17880668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 18316612

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 113, 179, 221, 226, 358, 442, 452, 716, 884, 1469, 1921, 2327, 2938, 3043, 3842, 4654, 5876, 6086, 7684, 9308, 12172, 20227, 24973, 39559, 40454, 49946, 79118, 80908, 99892, 158236, 262951, 343859, 525902, 687718, 1051804, 1375436, 4470167, 8940334, 17880668]

約数ペア:

[(1, 17880668), (2, 8940334), (4, 4470167), (13, 1375436), (17, 1051804), (26, 687718), (34, 525902), (52, 343859), (68, 262951), (113, 158236), (179, 99892), (221, 80908), (226, 79118), (358, 49946), (442, 40454), (452, 39559), (716, 24973), (884, 20227), (1469, 12172), (1921, 9308), (2327, 7684), (2938, 6086), (3043, 5876), (3842, 4654)]