19220812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1279}}^1$

素因数の和:1330

約数の個数: 36

約数和(自身を含む): 38510080

約数和(自身を除く): 19289268

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 1279, 2558, 3757, 5116, 7514, 15028, 16627, 21743, 33254, 43486, 66508, 86972, 282659, 369631, 565318, 739262, 1130636, 1478524, 4805203, 9610406, 19220812]

約数ペア:

[(1, 19220812), (2, 9610406), (4, 4805203), (13, 1478524), (17, 1130636), (26, 739262), (34, 565318), (52, 369631), (68, 282659), (221, 86972), (289, 66508), (442, 43486), (578, 33254), (884, 21743), (1156, 16627), (1279, 15028), (2558, 7514), (3757, 5116)]