19716408049

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{126461}}^1$

素因数の和:126720

約数の個数: 16

約数和(自身を含む): 21670528320

約数和(自身を除く): 1954120271

約数列:

[1, 13, 67, 179, 871, 2327, 11993, 126461, 155909, 1643993, 8472887, 22636519, 110147531, 294274747, 1516646773, 19716408049]

約数ペア:

[(1, 19716408049), (13, 1516646773), (67, 294274747), (179, 110147531), (871, 22636519), (2327, 8472887), (11993, 1643993), (126461, 155909)]