18002072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6599}}^1$

素因数の和:6647

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 20013928

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 6599, 13198, 26396, 52792, 72589, 145178, 204569, 290356, 409138, 580712, 818276, 1636552, 2250259, 4500518, 9001036, 18002072]

約数ペア:

[(1, 18002072), (2, 9001036), (4, 4500518), (8, 2250259), (11, 1636552), (22, 818276), (31, 580712), (44, 409138), (62, 290356), (88, 204569), (124, 145178), (248, 72589), (341, 52792), (682, 26396), (1364, 13198), (2728, 6599)]