18443481

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 29761536

約数和(自身を除く): 11318055

約数列:

[1, 3, 7, 21, 31, 41, 93, 123, 217, 287, 651, 691, 861, 1271, 2073, 3813, 4837, 8897, 14511, 21421, 26691, 28331, 64263, 84993, 149947, 198317, 449841, 594951, 878261, 2634783, 6147827, 18443481]

約数ペア:

[(1, 18443481), (3, 6147827), (7, 2634783), (21, 878261), (31, 594951), (41, 449841), (93, 198317), (123, 149947), (217, 84993), (287, 64263), (651, 28331), (691, 26691), (861, 21421), (1271, 14511), (2073, 8897), (3813, 4837)]