12691854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{383}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 31629312

約数和(自身を除く): 18937458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 263, 383, 526, 766, 789, 1149, 1578, 1841, 2298, 2367, 2681, 3447, 3682, 4734, 5362, 5523, 6894, 8043, 11046, 16086, 16569, 24129, 33138, 48258, 100729, 201458, 302187, 604374, 705103, 906561, 1410206, 1813122, 2115309, 4230618, 6345927, 12691854]

約数ペア:

[(1, 12691854), (2, 6345927), (3, 4230618), (6, 2115309), (7, 1813122), (9, 1410206), (14, 906561), (18, 705103), (21, 604374), (42, 302187), (63, 201458), (126, 100729), (263, 48258), (383, 33138), (526, 24129), (766, 16569), (789, 16086), (1149, 11046), (1578, 8043), (1841, 6894), (2298, 5523), (2367, 5362), (2681, 4734), (3447, 3682)]