19873098

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1447}}^1$

素因数の和:1571

約数の個数: 48

約数和(自身を含む): 49695360

約数和(自身を除く): 29822262

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 109, 126, 218, 327, 654, 763, 981, 1447, 1526, 1962, 2289, 2894, 4341, 4578, 6867, 8682, 10129, 13023, 13734, 20258, 26046, 30387, 60774, 91161, 157723, 182322, 315446, 473169, 946338, 1104061, 1419507, 2208122, 2839014, 3312183, 6624366, 9936549, 19873098]

約数ペア:

[(1, 19873098), (2, 9936549), (3, 6624366), (6, 3312183), (7, 2839014), (9, 2208122), (14, 1419507), (18, 1104061), (21, 946338), (42, 473169), (63, 315446), (109, 182322), (126, 157723), (218, 91161), (327, 60774), (654, 30387), (763, 26046), (981, 20258), (1447, 13734), (1526, 13023), (1962, 10129), (2289, 8682), (2894, 6867), (4341, 4578)]