19218778

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{601}}^1$

素因数の和:933

約数の個数: 16

約数和(自身を含む): 29473920

約数和(自身を除く): 10255142

約数列:

[1, 2, 59, 118, 271, 542, 601, 1202, 15989, 31978, 35459, 70918, 162871, 325742, 9609389, 19218778]

約数ペア:

[(1, 19218778), (2, 9609389), (59, 325742), (118, 162871), (271, 70918), (542, 35459), (601, 31978), (1202, 15989)]