19528860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25037}}^1$

素因数の和:25062

約数の個数: 48

約数和(自身を含む): 58889376

約数和(自身を除く): 39360516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 25037, 50074, 75111, 100148, 125185, 150222, 250370, 300444, 325481, 375555, 500740, 650962, 751110, 976443, 1301924, 1502220, 1627405, 1952886, 3254810, 3905772, 4882215, 6509620, 9764430, 19528860]

約数ペア:

[(1, 19528860), (2, 9764430), (3, 6509620), (4, 4882215), (5, 3905772), (6, 3254810), (10, 1952886), (12, 1627405), (13, 1502220), (15, 1301924), (20, 976443), (26, 751110), (30, 650962), (39, 500740), (52, 375555), (60, 325481), (65, 300444), (78, 250370), (130, 150222), (156, 125185), (195, 100148), (260, 75111), (390, 50074), (780, 25037)]