19505997

素因数分解:

$3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1151}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 32348160

約数和(自身を除く): 12842163

約数列:

[1, 3, 7, 9, 21, 63, 269, 807, 1151, 1883, 2421, 3453, 5649, 8057, 10359, 16947, 24171, 72513, 309619, 928857, 2167333, 2786571, 6501999, 19505997]

約数ペア:

[(1, 19505997), (3, 6501999), (7, 2786571), (9, 2167333), (21, 928857), (63, 309619), (269, 72513), (807, 24171), (1151, 16947), (1883, 10359), (2421, 8057), (3453, 5649)]