19742593

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 22695120

約数和(自身を除く): 2952527

約数列:

[1, 13, 17, 157, 221, 569, 2041, 2669, 7397, 9673, 34697, 89333, 125749, 1161329, 1518661, 19742593]

約数ペア:

[(1, 19742593), (13, 1518661), (17, 1161329), (157, 125749), (221, 89333), (569, 34697), (2041, 9673), (2669, 7397)]