13805780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{773}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 31207680

約数和(自身を除く): 17401900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 773, 893, 940, 1546, 1786, 3092, 3572, 3865, 4465, 7730, 8930, 14687, 15460, 17860, 29374, 36331, 58748, 72662, 73435, 145324, 146870, 181655, 293740, 363310, 690289, 726620, 1380578, 2761156, 3451445, 6902890, 13805780]

約数ペア:

[(1, 13805780), (2, 6902890), (4, 3451445), (5, 2761156), (10, 1380578), (19, 726620), (20, 690289), (38, 363310), (47, 293740), (76, 181655), (94, 146870), (95, 145324), (188, 73435), (190, 72662), (235, 58748), (380, 36331), (470, 29374), (773, 17860), (893, 15460), (940, 14687), (1546, 8930), (1786, 7730), (3092, 4465), (3572, 3865)]