18621248

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 56

約数和(自身を含む): 39014400

約数和(自身を除く): 20393152

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 79, 116, 127, 158, 232, 254, 316, 464, 508, 632, 928, 1016, 1264, 1856, 2032, 2291, 2528, 3683, 4064, 4582, 5056, 7366, 8128, 9164, 10033, 14732, 18328, 20066, 29464, 36656, 40132, 58928, 73312, 80264, 117856, 146624, 160528, 235712, 290957, 321056, 581914, 642112, 1163828, 2327656, 4655312, 9310624, 18621248]

約数ペア:

[(1, 18621248), (2, 9310624), (4, 4655312), (8, 2327656), (16, 1163828), (29, 642112), (32, 581914), (58, 321056), (64, 290957), (79, 235712), (116, 160528), (127, 146624), (158, 117856), (232, 80264), (254, 73312), (316, 58928), (464, 40132), (508, 36656), (632, 29464), (928, 20066), (1016, 18328), (1264, 14732), (1856, 10033), (2032, 9164), (2291, 8128), (2528, 7366), (3683, 5056), (4064, 4582)]