19530190

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4639}}^1$

素因数の和:5067

約数の個数: 16

約数和(自身を含む): 35245440

約数和(自身を除く): 15715250

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4639, 9278, 23195, 46390, 1953019, 3906038, 9765095, 19530190]

約数ペア:

[(1, 19530190), (2, 9765095), (5, 3906038), (10, 1953019), (421, 46390), (842, 23195), (2105, 9278), (4210, 4639)]