18980432

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2307

約数の個数: 40

約数和(自身を含む): 40211712

約数和(自身を除く): 21231280

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2251, 4216, 4502, 8432, 9004, 18008, 36016, 38267, 69781, 76534, 139562, 153068, 279124, 306136, 558248, 612272, 1116496, 1186277, 2372554, 4745108, 9490216, 18980432]

約数ペア:

[(1, 18980432), (2, 9490216), (4, 4745108), (8, 2372554), (16, 1186277), (17, 1116496), (31, 612272), (34, 558248), (62, 306136), (68, 279124), (124, 153068), (136, 139562), (248, 76534), (272, 69781), (496, 38267), (527, 36016), (1054, 18008), (2108, 9004), (2251, 8432), (4216, 4502)]