19581855

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{269}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 32970240

約数和(自身を除く): 13388385

約数列:

[1, 3, 5, 15, 23, 69, 115, 211, 269, 345, 633, 807, 1055, 1345, 3165, 4035, 4853, 6187, 14559, 18561, 24265, 30935, 56759, 72795, 92805, 170277, 283795, 851385, 1305457, 3916371, 6527285, 19581855]

約数ペア:

[(1, 19581855), (3, 6527285), (5, 3916371), (15, 1305457), (23, 851385), (69, 283795), (115, 170277), (211, 92805), (269, 72795), (345, 56759), (633, 30935), (807, 24265), (1055, 18561), (1345, 14559), (3165, 6187), (4035, 4853)]