18612495

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 37065600

約数和(自身を除く): 18453105

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 1979, 3135, 5937, 9405, 9895, 17811, 21769, 29685, 37601, 65307, 89055, 108845, 112803, 188005, 195921, 326535, 338409, 413611, 564015, 979605, 1240833, 1692045, 2068055, 3722499, 6204165, 18612495]

約数ペア:

[(1, 18612495), (3, 6204165), (5, 3722499), (9, 2068055), (11, 1692045), (15, 1240833), (19, 979605), (33, 564015), (45, 413611), (55, 338409), (57, 326535), (95, 195921), (99, 188005), (165, 112803), (171, 108845), (209, 89055), (285, 65307), (495, 37601), (627, 29685), (855, 21769), (1045, 17811), (1881, 9895), (1979, 9405), (3135, 5937)]