18739347455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{165901}}^1$

素因数の和:165995

約数の個数: 32

約数和(自身を含む): 25084382400

約数和(自身を除く): 6345034945

約数列:

[1, 5, 19, 29, 41, 95, 145, 205, 551, 779, 1189, 2755, 3895, 5945, 22591, 112955, 165901, 829505, 3152119, 4811129, 6801941, 15760595, 24055645, 34009705, 91411451, 129236879, 197256289, 457057255, 646184395, 986281445, 3747869491, 18739347455]

約数ペア:

[(1, 18739347455), (5, 3747869491), (19, 986281445), (29, 646184395), (41, 457057255), (95, 197256289), (145, 129236879), (205, 91411451), (551, 34009705), (779, 24055645), (1189, 15760595), (2755, 6801941), (3895, 4811129), (5945, 3152119), (22591, 829505), (112955, 165901)]