18683940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28309}}^1$

素因数の和:28332

約数の個数: 48

約数和(自身を含む): 57072960

約数和(自身を除く): 38389020

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28309, 56618, 84927, 113236, 141545, 169854, 283090, 311399, 339708, 424635, 566180, 622798, 849270, 934197, 1245596, 1556995, 1698540, 1868394, 3113990, 3736788, 4670985, 6227980, 9341970, 18683940]

約数ペア:

[(1, 18683940), (2, 9341970), (3, 6227980), (4, 4670985), (5, 3736788), (6, 3113990), (10, 1868394), (11, 1698540), (12, 1556995), (15, 1245596), (20, 934197), (22, 849270), (30, 622798), (33, 566180), (44, 424635), (55, 339708), (60, 311399), (66, 283090), (110, 169854), (132, 141545), (165, 113236), (220, 84927), (330, 56618), (660, 28309)]