18410580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4447}}^1$

素因数の和:4485

約数の個数: 72

約数和(自身を含む): 58286592

約数和(自身を除く): 39876012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4447, 8894, 13341, 17788, 22235, 26682, 40023, 44470, 53364, 66705, 80046, 88940, 102281, 133410, 160092, 200115, 204562, 266820, 306843, 400230, 409124, 511405, 613686, 800460, 920529, 1022810, 1227372, 1534215, 1841058, 2045620, 3068430, 3682116, 4602645, 6136860, 9205290, 18410580]

約数ペア:

[(1, 18410580), (2, 9205290), (3, 6136860), (4, 4602645), (5, 3682116), (6, 3068430), (9, 2045620), (10, 1841058), (12, 1534215), (15, 1227372), (18, 1022810), (20, 920529), (23, 800460), (30, 613686), (36, 511405), (45, 409124), (46, 400230), (60, 306843), (69, 266820), (90, 204562), (92, 200115), (115, 160092), (138, 133410), (180, 102281), (207, 88940), (230, 80046), (276, 66705), (345, 53364), (414, 44470), (460, 40023), (690, 26682), (828, 22235), (1035, 17788), (1380, 13341), (2070, 8894), (4140, 4447)]