18310119

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 8231961

約数列:

[1, 3, 31, 47, 59, 71, 93, 141, 177, 213, 1457, 1829, 2201, 2773, 3337, 4189, 4371, 5487, 6603, 8319, 10011, 12567, 85963, 103447, 129859, 196883, 257889, 310341, 389577, 590649, 6103373, 18310119]

約数ペア:

[(1, 18310119), (3, 6103373), (31, 590649), (47, 389577), (59, 310341), (71, 257889), (93, 196883), (141, 129859), (177, 103447), (213, 85963), (1457, 12567), (1829, 10011), (2201, 8319), (2773, 6603), (3337, 5487), (4189, 4371)]