18639810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29587}}^1$

素因数の和:29607

約数の個数: 48

約数和(自身を含む): 55388736

約数和(自身を除く): 36748926

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 29587, 59174, 88761, 147935, 177522, 207109, 266283, 295870, 414218, 443805, 532566, 621327, 887610, 1035545, 1242654, 1331415, 1863981, 2071090, 2662830, 3106635, 3727962, 6213270, 9319905, 18639810]

約数ペア:

[(1, 18639810), (2, 9319905), (3, 6213270), (5, 3727962), (6, 3106635), (7, 2662830), (9, 2071090), (10, 1863981), (14, 1331415), (15, 1242654), (18, 1035545), (21, 887610), (30, 621327), (35, 532566), (42, 443805), (45, 414218), (63, 295870), (70, 266283), (90, 207109), (105, 177522), (126, 147935), (210, 88761), (315, 59174), (630, 29587)]