18142271

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 3284929

約数列:

[1, 7, 53, 79, 371, 553, 619, 4187, 4333, 29309, 32807, 48901, 229649, 342307, 2591753, 18142271]

約数ペア:

[(1, 18142271), (7, 2591753), (53, 342307), (79, 229649), (371, 48901), (553, 32807), (619, 29309), (4187, 4333)]