18672795

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 33445440

約数和(自身を除く): 14772645

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 881, 1413, 2355, 2643, 4239, 4405, 7065, 7929, 13215, 21195, 23787, 39645, 118935, 138317, 414951, 691585, 1244853, 2074755, 3734559, 6224265, 18672795]

約数ペア:

[(1, 18672795), (3, 6224265), (5, 3734559), (9, 2074755), (15, 1244853), (27, 691585), (45, 414951), (135, 138317), (157, 118935), (471, 39645), (785, 23787), (881, 21195), (1413, 13215), (2355, 7929), (2643, 7065), (4239, 4405)]