19654360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2392

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 31148840

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, 2351, 4180, 4702, 8360, 9404, 11755, 18808, 23510, 25861, 44669, 47020, 51722, 89338, 94040, 103444, 129305, 178676, 206888, 223345, 258610, 357352, 446690, 491359, 517220, 893380, 982718, 1034440, 1786760, 1965436, 2456795, 3930872, 4913590, 9827180, 19654360]

約数ペア:

[(1, 19654360), (2, 9827180), (4, 4913590), (5, 3930872), (8, 2456795), (10, 1965436), (11, 1786760), (19, 1034440), (20, 982718), (22, 893380), (38, 517220), (40, 491359), (44, 446690), (55, 357352), (76, 258610), (88, 223345), (95, 206888), (110, 178676), (152, 129305), (190, 103444), (209, 94040), (220, 89338), (380, 51722), (418, 47020), (440, 44669), (760, 25861), (836, 23510), (1045, 18808), (1672, 11755), (2090, 9404), (2351, 8360), (4180, 4702)]