18540015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3067}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 32987136

約数和(自身を除く): 14447121

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3067, 6045, 9201, 15335, 39871, 46005, 95077, 119613, 199355, 285231, 475385, 598065, 1236001, 1426155, 3708003, 6180005, 18540015]

約数ペア:

[(1, 18540015), (3, 6180005), (5, 3708003), (13, 1426155), (15, 1236001), (31, 598065), (39, 475385), (65, 285231), (93, 199355), (155, 119613), (195, 95077), (403, 46005), (465, 39871), (1209, 15335), (2015, 9201), (3067, 6045)]