19513247

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 22838400

約数和(自身を除く): 3325153

約数列:

[1, 13, 19, 59, 103, 169, 247, 767, 1121, 1339, 1957, 3211, 6077, 9971, 14573, 17407, 25441, 79001, 115463, 189449, 330733, 1027013, 1501019, 19513247]

約数ペア:

[(1, 19513247), (13, 1501019), (19, 1027013), (59, 330733), (103, 189449), (169, 115463), (247, 79001), (767, 25441), (1121, 17407), (1339, 14573), (1957, 9971), (3211, 6077)]