16918470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{20887}}^1$

素因数の和:20906

約数の個数: 40

約数和(自身を含む): 45494064

約数和(自身を除く): 28575594

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 20887, 41774, 62661, 104435, 125322, 187983, 208870, 313305, 375966, 563949, 626610, 939915, 1127898, 1691847, 1879830, 2819745, 3383694, 5639490, 8459235, 16918470]

約数ペア:

[(1, 16918470), (2, 8459235), (3, 5639490), (5, 3383694), (6, 2819745), (9, 1879830), (10, 1691847), (15, 1127898), (18, 939915), (27, 626610), (30, 563949), (45, 375966), (54, 313305), (81, 208870), (90, 187983), (135, 125322), (162, 104435), (270, 62661), (405, 41774), (810, 20887)]