18493740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{809}}^1$

素因数の和:951

約数の個数: 72

約数和(自身を含む): 56609280

約数和(自身を除く): 38115540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 809, 1143, 1270, 1524, 1618, 1905, 2286, 2427, 2540, 3236, 3810, 4045, 4572, 4854, 5715, 7281, 7620, 8090, 9708, 11430, 12135, 14562, 16180, 22860, 24270, 29124, 36405, 48540, 72810, 102743, 145620, 205486, 308229, 410972, 513715, 616458, 924687, 1027430, 1232916, 1541145, 1849374, 2054860, 3082290, 3698748, 4623435, 6164580, 9246870, 18493740]

約数ペア:

[(1, 18493740), (2, 9246870), (3, 6164580), (4, 4623435), (5, 3698748), (6, 3082290), (9, 2054860), (10, 1849374), (12, 1541145), (15, 1232916), (18, 1027430), (20, 924687), (30, 616458), (36, 513715), (45, 410972), (60, 308229), (90, 205486), (127, 145620), (180, 102743), (254, 72810), (381, 48540), (508, 36405), (635, 29124), (762, 24270), (809, 22860), (1143, 16180), (1270, 14562), (1524, 12135), (1618, 11430), (1905, 9708), (2286, 8090), (2427, 7620), (2540, 7281), (3236, 5715), (3810, 4854), (4045, 4572)]