19173245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42139}}^1$

素因数の和:42164

約数の個数: 16

約数和(自身を含む): 28318080

約数和(自身を除く): 9144835

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 42139, 210695, 294973, 547807, 1474865, 2739035, 3834649, 19173245]

約数ペア:

[(1, 19173245), (5, 3834649), (7, 2739035), (13, 1474865), (35, 547807), (65, 294973), (91, 210695), (455, 42139)]