18972798

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3079}}^1$

素因数の和:3176

約数の個数: 32

約数和(自身を含む): 41395200

約数和(自身を除く): 22422402

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3079, 3081, 6158, 6162, 9237, 18474, 40027, 80054, 120081, 240162, 243241, 486482, 729723, 1459446, 3162133, 6324266, 9486399, 18972798]

約数ペア:

[(1, 18972798), (2, 9486399), (3, 6324266), (6, 3162133), (13, 1459446), (26, 729723), (39, 486482), (78, 243241), (79, 240162), (158, 120081), (237, 80054), (474, 40027), (1027, 18474), (2054, 9237), (3079, 6162), (3081, 6158)]