18882655

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:132

約数の個数: 36

約数和(自身を含む): 26477640

約数和(自身を除く): 7594985

約数列:

[1, 5, 11, 23, 55, 59, 115, 121, 253, 295, 529, 605, 649, 1265, 1357, 2645, 2783, 3245, 5819, 6785, 7139, 13915, 14927, 29095, 31211, 35695, 64009, 74635, 156055, 164197, 320045, 343321, 820985, 1716605, 3776531, 18882655]

約数ペア:

[(1, 18882655), (5, 3776531), (11, 1716605), (23, 820985), (55, 343321), (59, 320045), (115, 164197), (121, 156055), (253, 74635), (295, 64009), (529, 35695), (605, 31211), (649, 29095), (1265, 14927), (1357, 13915), (2645, 7139), (2783, 6785), (3245, 5819)]