19007105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 7410559

約数列:

[1, 5, 13, 17, 65, 85, 103, 167, 221, 515, 835, 1105, 1339, 1751, 2171, 2839, 6695, 8755, 10855, 14195, 17201, 22763, 36907, 86005, 113815, 184535, 223613, 292417, 1118065, 1462085, 3801421, 19007105]

約数ペア:

[(1, 19007105), (5, 3801421), (13, 1462085), (17, 1118065), (65, 292417), (85, 223613), (103, 184535), (167, 113815), (221, 86005), (515, 36907), (835, 22763), (1105, 17201), (1339, 14195), (1751, 10855), (2171, 8755), (2839, 6695)]