18731890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3541}}^1$

素因数の和:3594

約数の個数: 24

約数和(自身を含む): 35257068

約数和(自身を除く): 16525178

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3541, 5290, 7082, 17705, 35410, 81443, 162886, 407215, 814430, 1873189, 3746378, 9365945, 18731890]

約数ペア:

[(1, 18731890), (2, 9365945), (5, 3746378), (10, 1873189), (23, 814430), (46, 407215), (115, 162886), (230, 81443), (529, 35410), (1058, 17705), (2645, 7082), (3541, 5290)]