19178228080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{411197}}^1$

素因数の和:411274

約数の個数: 80

約数和(自身を含む): 49560872544

約数和(自身を除く): 30382644464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 53, 55, 80, 88, 106, 110, 176, 212, 220, 265, 424, 440, 530, 583, 848, 880, 1060, 1166, 2120, 2332, 2915, 4240, 4664, 5830, 9328, 11660, 23320, 46640, 411197, 822394, 1644788, 2055985, 3289576, 4111970, 4523167, 6579152, 8223940, 9046334, 16447880, 18092668, 21793441, 22615835, 32895760, 36185336, 43586882, 45231670, 72370672, 87173764, 90463340, 108967205, 174347528, 180926680, 217934410, 239727851, 348695056, 361853360, 435868820, 479455702, 871737640, 958911404, 1198639255, 1743475280, 1917822808, 2397278510, 3835645616, 4794557020, 9589114040, 19178228080]

約数ペア:

[(1, 19178228080), (2, 9589114040), (4, 4794557020), (5, 3835645616), (8, 2397278510), (10, 1917822808), (11, 1743475280), (16, 1198639255), (20, 958911404), (22, 871737640), (40, 479455702), (44, 435868820), (53, 361853360), (55, 348695056), (80, 239727851), (88, 217934410), (106, 180926680), (110, 174347528), (176, 108967205), (212, 90463340), (220, 87173764), (265, 72370672), (424, 45231670), (440, 43586882), (530, 36185336), (583, 32895760), (848, 22615835), (880, 21793441), (1060, 18092668), (1166, 16447880), (2120, 9046334), (2332, 8223940), (2915, 6579152), (4240, 4523167), (4664, 4111970), (5830, 3289576), (9328, 2055985), (11660, 1644788), (23320, 822394), (46640, 411197)]