18706245

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{919}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 13088955

約数列:

[1, 3, 5, 15, 23, 59, 69, 115, 177, 295, 345, 885, 919, 1357, 2757, 4071, 4595, 6785, 13785, 20355, 21137, 54221, 63411, 105685, 162663, 271105, 317055, 813315, 1247083, 3741249, 6235415, 18706245]

約数ペア:

[(1, 18706245), (3, 6235415), (5, 3741249), (15, 1247083), (23, 813315), (59, 317055), (69, 271105), (115, 162663), (177, 105685), (295, 63411), (345, 54221), (885, 21137), (919, 20355), (1357, 13785), (2757, 6785), (4071, 4595)]