19999716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1471}}^1$

素因数の和:1592

約数の個数: 48

約数和(自身を含む): 51437568

約数和(自身を除く): 31437852

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 103, 132, 206, 309, 412, 618, 1133, 1236, 1471, 2266, 2942, 3399, 4413, 4532, 5884, 6798, 8826, 13596, 16181, 17652, 32362, 48543, 64724, 97086, 151513, 194172, 303026, 454539, 606052, 909078, 1666643, 1818156, 3333286, 4999929, 6666572, 9999858, 19999716]

約数ペア:

[(1, 19999716), (2, 9999858), (3, 6666572), (4, 4999929), (6, 3333286), (11, 1818156), (12, 1666643), (22, 909078), (33, 606052), (44, 454539), (66, 303026), (103, 194172), (132, 151513), (206, 97086), (309, 64724), (412, 48543), (618, 32362), (1133, 17652), (1236, 16181), (1471, 13596), (2266, 8826), (2942, 6798), (3399, 5884), (4413, 4532)]