18827871

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1993}}^1$

素因数の和:2110

約数の個数: 16

約数和(自身を含む): 26033664

約数和(自身を除く): 7205793

約数列:

[1, 3, 47, 67, 141, 201, 1993, 3149, 5979, 9447, 93671, 133531, 281013, 400593, 6275957, 18827871]

約数ペア:

[(1, 18827871), (3, 6275957), (47, 400593), (67, 281013), (141, 133531), (201, 93671), (1993, 9447), (3149, 5979)]