18187988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1723}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 40548480

約数和(自身を除く): 22360492

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 1723, 2639, 3446, 5278, 6892, 10556, 12061, 22399, 24122, 44798, 48244, 49967, 89596, 99934, 156793, 199868, 313586, 349769, 627172, 649571, 699538, 1299142, 1399076, 2598284, 4546997, 9093994, 18187988]

約数ペア:

[(1, 18187988), (2, 9093994), (4, 4546997), (7, 2598284), (13, 1399076), (14, 1299142), (26, 699538), (28, 649571), (29, 627172), (52, 349769), (58, 313586), (91, 199868), (116, 156793), (182, 99934), (203, 89596), (364, 49967), (377, 48244), (406, 44798), (754, 24122), (812, 22399), (1508, 12061), (1723, 10556), (2639, 6892), (3446, 5278)]