19304140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 42547680

約数和(自身を除く): 23243540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 83, 116, 145, 166, 290, 332, 401, 415, 580, 802, 830, 1604, 1660, 2005, 2407, 4010, 4814, 8020, 9628, 11629, 12035, 23258, 24070, 33283, 46516, 48140, 58145, 66566, 116290, 133132, 166415, 232580, 332830, 665660, 965207, 1930414, 3860828, 4826035, 9652070, 19304140]

約数ペア:

[(1, 19304140), (2, 9652070), (4, 4826035), (5, 3860828), (10, 1930414), (20, 965207), (29, 665660), (58, 332830), (83, 232580), (116, 166415), (145, 133132), (166, 116290), (290, 66566), (332, 58145), (401, 48140), (415, 46516), (580, 33283), (802, 24070), (830, 23258), (1604, 12035), (1660, 11629), (2005, 9628), (2407, 8020), (4010, 4814)]