17974988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1451}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 33337920

約数和(自身を除く): 15362932

約数列:

[1, 2, 4, 19, 38, 76, 163, 326, 652, 1451, 2902, 3097, 5804, 6194, 12388, 27569, 55138, 110276, 236513, 473026, 946052, 4493747, 8987494, 17974988]

約数ペア:

[(1, 17974988), (2, 8987494), (4, 4493747), (19, 946052), (38, 473026), (76, 236513), (163, 110276), (326, 55138), (652, 27569), (1451, 12388), (2902, 6194), (3097, 5804)]