19953188

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 35642880

約数和(自身を除く): 15689692

約数列:

[1, 2, 4, 79, 158, 233, 271, 316, 466, 542, 932, 1084, 18407, 21409, 36814, 42818, 63143, 73628, 85636, 126286, 252572, 4988297, 9976594, 19953188]

約数ペア:

[(1, 19953188), (2, 9976594), (4, 4988297), (79, 252572), (158, 126286), (233, 85636), (271, 73628), (316, 63143), (466, 42818), (542, 36814), (932, 21409), (1084, 18407)]