19980198

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{158573}}^1$

素因数の和:158588

約数の個数: 24

約数和(自身を含む): 49475088

約数和(自身を除く): 29494890

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 158573, 317146, 475719, 951438, 1110011, 1427157, 2220022, 2854314, 3330033, 6660066, 9990099, 19980198]

約数ペア:

[(1, 19980198), (2, 9990099), (3, 6660066), (6, 3330033), (7, 2854314), (9, 2220022), (14, 1427157), (18, 1110011), (21, 951438), (42, 475719), (63, 317146), (126, 158573)]