19078709

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 21954240

約数和(自身を除く): 2875531

約数列:

[1, 13, 17, 131, 221, 659, 1703, 2227, 8567, 11203, 28951, 86329, 145639, 1122277, 1467593, 19078709]

約数ペア:

[(1, 19078709), (13, 1467593), (17, 1122277), (131, 145639), (221, 86329), (659, 28951), (1703, 11203), (2227, 8567)]