18951420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315857}}^1$

素因数の和:315869

約数の個数: 24

約数和(自身を含む): 53064144

約数和(自身を除く): 34112724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315857, 631714, 947571, 1263428, 1579285, 1895142, 3158570, 3790284, 4737855, 6317140, 9475710, 18951420]

約数ペア:

[(1, 18951420), (2, 9475710), (3, 6317140), (4, 4737855), (5, 3790284), (6, 3158570), (10, 1895142), (12, 1579285), (15, 1263428), (20, 947571), (30, 631714), (60, 315857)]