17985220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2819}}^1$

素因数の和:2868

約数の個数: 48

約数和(自身を含む): 42638400

約数和(自身を除く): 24653180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 2819, 3190, 5638, 6380, 11276, 14095, 28190, 31009, 56380, 62018, 81751, 124036, 155045, 163502, 310090, 327004, 408755, 620180, 817510, 899261, 1635020, 1798522, 3597044, 4496305, 8992610, 17985220]

約数ペア:

[(1, 17985220), (2, 8992610), (4, 4496305), (5, 3597044), (10, 1798522), (11, 1635020), (20, 899261), (22, 817510), (29, 620180), (44, 408755), (55, 327004), (58, 310090), (110, 163502), (116, 155045), (145, 124036), (220, 81751), (290, 62018), (319, 56380), (580, 31009), (638, 28190), (1276, 14095), (1595, 11276), (2819, 6380), (3190, 5638)]