18156545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 25657344

約数和(自身を除く): 7500799

約数列:

[1, 5, 11, 23, 31, 55, 115, 155, 253, 341, 463, 713, 1265, 1705, 2315, 3565, 5093, 7843, 10649, 14353, 25465, 39215, 53245, 71765, 117139, 157883, 330119, 585695, 789415, 1650595, 3631309, 18156545]

約数ペア:

[(1, 18156545), (5, 3631309), (11, 1650595), (23, 789415), (31, 585695), (55, 330119), (115, 157883), (155, 117139), (253, 71765), (341, 53245), (463, 39215), (713, 25465), (1265, 14353), (1705, 10649), (2315, 7843), (3565, 5093)]