18769960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1471}}^1$

素因数の和:1522

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 28922840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1471, 1595, 2552, 2942, 3190, 5884, 6380, 7355, 11768, 12760, 14710, 16181, 29420, 32362, 42659, 58840, 64724, 80905, 85318, 129448, 161810, 170636, 213295, 323620, 341272, 426590, 469249, 647240, 853180, 938498, 1706360, 1876996, 2346245, 3753992, 4692490, 9384980, 18769960]

約数ペア:

[(1, 18769960), (2, 9384980), (4, 4692490), (5, 3753992), (8, 2346245), (10, 1876996), (11, 1706360), (20, 938498), (22, 853180), (29, 647240), (40, 469249), (44, 426590), (55, 341272), (58, 323620), (88, 213295), (110, 170636), (116, 161810), (145, 129448), (220, 85318), (232, 80905), (290, 64724), (319, 58840), (440, 42659), (580, 32362), (638, 29420), (1160, 16181), (1276, 14710), (1471, 12760), (1595, 11768), (2552, 7355), (2942, 6380), (3190, 5884)]