19742068

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 35546112

約数和(自身を除く): 15804044

約数列:

[1, 2, 4, 47, 94, 173, 188, 346, 607, 692, 1214, 2428, 8131, 16262, 28529, 32524, 57058, 105011, 114116, 210022, 420044, 4935517, 9871034, 19742068]

約数ペア:

[(1, 19742068), (2, 9871034), (4, 4935517), (47, 420044), (94, 210022), (173, 114116), (188, 105011), (346, 57058), (607, 32524), (692, 28529), (1214, 16262), (2428, 8131)]