18413660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 41610240

約数和(自身を除く): 23196580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1031, 1786, 2062, 3572, 4124, 4465, 5155, 8930, 10310, 17860, 19589, 20620, 39178, 48457, 78356, 96914, 97945, 193828, 195890, 242285, 391780, 484570, 920683, 969140, 1841366, 3682732, 4603415, 9206830, 18413660]

約数ペア:

[(1, 18413660), (2, 9206830), (4, 4603415), (5, 3682732), (10, 1841366), (19, 969140), (20, 920683), (38, 484570), (47, 391780), (76, 242285), (94, 195890), (95, 193828), (188, 97945), (190, 96914), (235, 78356), (380, 48457), (470, 39178), (893, 20620), (940, 19589), (1031, 17860), (1786, 10310), (2062, 8930), (3572, 5155), (4124, 4465)]