19894608

素因数分解:

$2^4\times 3^2\times {\mathrm{138157}}^1$

素因数の和:138171

約数の個数: 30

約数和(自身を含む): 55677674

約数和(自身を除く): 35783066

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138157, 276314, 414471, 552628, 828942, 1105256, 1243413, 1657884, 2210512, 2486826, 3315768, 4973652, 6631536, 9947304, 19894608]

約数ペア:

[(1, 19894608), (2, 9947304), (3, 6631536), (4, 4973652), (6, 3315768), (8, 2486826), (9, 2210512), (12, 1657884), (16, 1243413), (18, 1105256), (24, 828942), (36, 552628), (48, 414471), (72, 276314), (144, 138157)]