15469420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40709}}^1$

素因数の和:40737

約数の個数: 24

約数和(自身を含む): 34196400

約数和(自身を除く): 18726980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 40709, 81418, 162836, 203545, 407090, 773471, 814180, 1546942, 3093884, 3867355, 7734710, 15469420]

約数ペア:

[(1, 15469420), (2, 7734710), (4, 3867355), (5, 3093884), (10, 1546942), (19, 814180), (20, 773471), (38, 407090), (76, 203545), (95, 162836), (190, 81418), (380, 40709)]