18387160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 47401200

約数和(自身を除く): 29014040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 121, 131, 145, 220, 232, 242, 262, 290, 319, 440, 484, 524, 580, 605, 638, 655, 968, 1048, 1160, 1210, 1276, 1310, 1441, 1595, 2420, 2552, 2620, 2882, 3190, 3509, 3799, 4840, 5240, 5764, 6380, 7018, 7205, 7598, 11528, 12760, 14036, 14410, 15196, 15851, 17545, 18995, 28072, 28820, 30392, 31702, 35090, 37990, 41789, 57640, 63404, 70180, 75980, 79255, 83578, 126808, 140360, 151960, 158510, 167156, 208945, 317020, 334312, 417890, 459679, 634040, 835780, 919358, 1671560, 1838716, 2298395, 3677432, 4596790, 9193580, 18387160]

約数ペア:

[(1, 18387160), (2, 9193580), (4, 4596790), (5, 3677432), (8, 2298395), (10, 1838716), (11, 1671560), (20, 919358), (22, 835780), (29, 634040), (40, 459679), (44, 417890), (55, 334312), (58, 317020), (88, 208945), (110, 167156), (116, 158510), (121, 151960), (131, 140360), (145, 126808), (220, 83578), (232, 79255), (242, 75980), (262, 70180), (290, 63404), (319, 57640), (440, 41789), (484, 37990), (524, 35090), (580, 31702), (605, 30392), (638, 28820), (655, 28072), (968, 18995), (1048, 17545), (1160, 15851), (1210, 15196), (1276, 14410), (1310, 14036), (1441, 12760), (1595, 11528), (2420, 7598), (2552, 7205), (2620, 7018), (2882, 6380), (3190, 5764), (3509, 5240), (3799, 4840)]