19294340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74209}}^1$

素因数の和:74231

約数の個数: 24

約数和(自身を含む): 43635480

約数和(自身を除く): 24341140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74209, 148418, 296836, 371045, 742090, 964717, 1484180, 1929434, 3858868, 4823585, 9647170, 19294340]

約数ペア:

[(1, 19294340), (2, 9647170), (4, 4823585), (5, 3858868), (10, 1929434), (13, 1484180), (20, 964717), (26, 742090), (52, 371045), (65, 296836), (130, 148418), (260, 74209)]