18760854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 45181440

約数和(自身を除く): 26420586

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 73, 87, 146, 174, 203, 211, 219, 406, 422, 438, 511, 609, 633, 1022, 1218, 1266, 1477, 1533, 2117, 2954, 3066, 4234, 4431, 6119, 6351, 8862, 12238, 12702, 14819, 15403, 18357, 29638, 30806, 36714, 42833, 44457, 46209, 85666, 88914, 92418, 107821, 128499, 215642, 256998, 323463, 446687, 646926, 893374, 1340061, 2680122, 3126809, 6253618, 9380427, 18760854]

約数ペア:

[(1, 18760854), (2, 9380427), (3, 6253618), (6, 3126809), (7, 2680122), (14, 1340061), (21, 893374), (29, 646926), (42, 446687), (58, 323463), (73, 256998), (87, 215642), (146, 128499), (174, 107821), (203, 92418), (211, 88914), (219, 85666), (406, 46209), (422, 44457), (438, 42833), (511, 36714), (609, 30806), (633, 29638), (1022, 18357), (1218, 15403), (1266, 14819), (1477, 12702), (1533, 12238), (2117, 8862), (2954, 6351), (3066, 6119), (4234, 4431)]