18036260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 43235640

約数和(自身を除く): 25199380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 257, 290, 319, 484, 514, 580, 605, 638, 1028, 1210, 1276, 1285, 1595, 2420, 2570, 2827, 3190, 3509, 5140, 5654, 6380, 7018, 7453, 11308, 14036, 14135, 14906, 17545, 28270, 29812, 31097, 35090, 37265, 56540, 62194, 70180, 74530, 81983, 124388, 149060, 155485, 163966, 310970, 327932, 409915, 621940, 819830, 901813, 1639660, 1803626, 3607252, 4509065, 9018130, 18036260]

約数ペア:

[(1, 18036260), (2, 9018130), (4, 4509065), (5, 3607252), (10, 1803626), (11, 1639660), (20, 901813), (22, 819830), (29, 621940), (44, 409915), (55, 327932), (58, 310970), (110, 163966), (116, 155485), (121, 149060), (145, 124388), (220, 81983), (242, 74530), (257, 70180), (290, 62194), (319, 56540), (484, 37265), (514, 35090), (580, 31097), (605, 29812), (638, 28270), (1028, 17545), (1210, 14906), (1276, 14135), (1285, 14036), (1595, 11308), (2420, 7453), (2570, 7018), (2827, 6380), (3190, 5654), (3509, 5140)]