20161850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1117}}^1$

素因数の和:1167

約数の個数: 36

約数和(自身を含む): 39614094

約数和(自身を除く): 19452244

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 361, 475, 722, 950, 1117, 1805, 2234, 3610, 5585, 9025, 11170, 18050, 21223, 27925, 42446, 55850, 106115, 212230, 403237, 530575, 806474, 1061150, 2016185, 4032370, 10080925, 20161850]

約数ペア:

[(1, 20161850), (2, 10080925), (5, 4032370), (10, 2016185), (19, 1061150), (25, 806474), (38, 530575), (50, 403237), (95, 212230), (190, 106115), (361, 55850), (475, 42446), (722, 27925), (950, 21223), (1117, 18050), (1805, 11170), (2234, 9025), (3610, 5585)]