19369978

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2069}}^1$

素因数の和:2253

約数の個数: 16

約数和(自身を含む): 30205440

約数和(自身を除く): 10835462

約数列:

[1, 2, 31, 62, 151, 302, 2069, 4138, 4681, 9362, 64139, 128278, 312419, 624838, 9684989, 19369978]

約数ペア:

[(1, 19369978), (2, 9684989), (31, 624838), (62, 312419), (151, 128278), (302, 64139), (2069, 9362), (4138, 4681)]