18459950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 36

約数和(自身を含む): 35641320

約数和(自身を除く): 17181370

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 439, 725, 841, 878, 1450, 1682, 2195, 4205, 4390, 8410, 10975, 12731, 21025, 21950, 25462, 42050, 63655, 127310, 318275, 369199, 636550, 738398, 1845995, 3691990, 9229975, 18459950]

約数ペア:

[(1, 18459950), (2, 9229975), (5, 3691990), (10, 1845995), (25, 738398), (29, 636550), (50, 369199), (58, 318275), (145, 127310), (290, 63655), (439, 42050), (725, 25462), (841, 21950), (878, 21025), (1450, 12731), (1682, 10975), (2195, 8410), (4205, 4390)]