18133020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 55495440

約数和(自身を除く): 37362420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 769, 786, 1179, 1310, 1538, 1572, 1965, 2307, 2358, 2620, 3076, 3845, 3930, 4614, 4716, 5895, 6921, 7690, 7860, 9228, 11535, 11790, 13842, 15380, 23070, 23580, 27684, 34605, 46140, 69210, 100739, 138420, 201478, 302217, 402956, 503695, 604434, 906651, 1007390, 1208868, 1511085, 1813302, 2014780, 3022170, 3626604, 4533255, 6044340, 9066510, 18133020]

約数ペア:

[(1, 18133020), (2, 9066510), (3, 6044340), (4, 4533255), (5, 3626604), (6, 3022170), (9, 2014780), (10, 1813302), (12, 1511085), (15, 1208868), (18, 1007390), (20, 906651), (30, 604434), (36, 503695), (45, 402956), (60, 302217), (90, 201478), (131, 138420), (180, 100739), (262, 69210), (393, 46140), (524, 34605), (655, 27684), (769, 23580), (786, 23070), (1179, 15380), (1310, 13842), (1538, 11790), (1572, 11535), (1965, 9228), (2307, 7860), (2358, 7690), (2620, 6921), (3076, 5895), (3845, 4716), (3930, 4614)]