19518664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1619}}^1$

素因数の和:1773

約数の個数: 32

約数和(自身を含む): 40240800

約数和(自身を除く): 20722136

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 1619, 3014, 3238, 6028, 6476, 12056, 12952, 17809, 35618, 71236, 142472, 221803, 443606, 887212, 1774424, 2439833, 4879666, 9759332, 19518664]

約数ペア:

[(1, 19518664), (2, 9759332), (4, 4879666), (8, 2439833), (11, 1774424), (22, 887212), (44, 443606), (88, 221803), (137, 142472), (274, 71236), (548, 35618), (1096, 17809), (1507, 12952), (1619, 12056), (3014, 6476), (3238, 6028)]