18778672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4639}}^1$

素因数の和:4681

約数の個数: 40

約数和(自身を含む): 41425920

約数和(自身を除く): 22647248

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4639, 9278, 18556, 37112, 51029, 74224, 102058, 106697, 204116, 213394, 408232, 426788, 816464, 853576, 1173667, 1707152, 2347334, 4694668, 9389336, 18778672]

約数ペア:

[(1, 18778672), (2, 9389336), (4, 4694668), (8, 2347334), (11, 1707152), (16, 1173667), (22, 853576), (23, 816464), (44, 426788), (46, 408232), (88, 213394), (92, 204116), (176, 106697), (184, 102058), (253, 74224), (368, 51029), (506, 37112), (1012, 18556), (2024, 9278), (4048, 4639)]