18268335

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1109

約数の個数: 40

約数和(自身を含む): 33541200

約数和(自身を除く): 15272865

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1049, 1161, 1935, 3147, 3483, 5245, 5805, 9441, 15735, 17415, 28323, 45107, 47205, 84969, 135321, 141615, 225535, 405963, 424845, 676605, 1217889, 2029815, 3653667, 6089445, 18268335]

約数ペア:

[(1, 18268335), (3, 6089445), (5, 3653667), (9, 2029815), (15, 1217889), (27, 676605), (43, 424845), (45, 405963), (81, 225535), (129, 141615), (135, 135321), (215, 84969), (387, 47205), (405, 45107), (645, 28323), (1049, 17415), (1161, 15735), (1935, 9441), (3147, 5805), (3483, 5245)]