18878245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5417}}^1$

素因数の和:5480

約数の個数: 16

約数和(自身を含む): 24576048

約数和(自身を除く): 5697803

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 5417, 27085, 92089, 222097, 460445, 1110485, 3775649, 18878245]

約数ペア:

[(1, 18878245), (5, 3775649), (17, 1110485), (41, 460445), (85, 222097), (205, 92089), (697, 27085), (3485, 5417)]