17898760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2182

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 28368440

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 2141, 4180, 4282, 8360, 8564, 10705, 17128, 21410, 23551, 40679, 42820, 47102, 81358, 85640, 94204, 117755, 162716, 188408, 203395, 235510, 325432, 406790, 447469, 471020, 813580, 894938, 942040, 1627160, 1789876, 2237345, 3579752, 4474690, 8949380, 17898760]

約数ペア:

[(1, 17898760), (2, 8949380), (4, 4474690), (5, 3579752), (8, 2237345), (10, 1789876), (11, 1627160), (19, 942040), (20, 894938), (22, 813580), (38, 471020), (40, 447469), (44, 406790), (55, 325432), (76, 235510), (88, 203395), (95, 188408), (110, 162716), (152, 117755), (190, 94204), (209, 85640), (220, 81358), (380, 47102), (418, 42820), (440, 40679), (760, 23551), (836, 21410), (1045, 17128), (1672, 10705), (2090, 8564), (2141, 8360), (4180, 4282)]