18807642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2447}}^1$

素因数の和:2523

約数の個数: 48

約数和(自身を含む): 47354112

約数和(自身を除く): 28546470

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2447, 2562, 3843, 4894, 7341, 7686, 14682, 17129, 22023, 34258, 44046, 51387, 102774, 149267, 154161, 298534, 308322, 447801, 895602, 1044869, 1343403, 2089738, 2686806, 3134607, 6269214, 9403821, 18807642]

約数ペア:

[(1, 18807642), (2, 9403821), (3, 6269214), (6, 3134607), (7, 2686806), (9, 2089738), (14, 1343403), (18, 1044869), (21, 895602), (42, 447801), (61, 308322), (63, 298534), (122, 154161), (126, 149267), (183, 102774), (366, 51387), (427, 44046), (549, 34258), (854, 22023), (1098, 17129), (1281, 14682), (2447, 7686), (2562, 7341), (3843, 4894)]