18790520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9587}}^1$

素因数の和:9612

約数の個数: 48

約数和(自身を含む): 49186440

約数和(自身を除く): 30395920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9587, 19174, 38348, 47935, 67109, 76696, 95870, 134218, 191740, 268436, 335545, 383480, 469763, 536872, 671090, 939526, 1342180, 1879052, 2348815, 2684360, 3758104, 4697630, 9395260, 18790520]

約数ペア:

[(1, 18790520), (2, 9395260), (4, 4697630), (5, 3758104), (7, 2684360), (8, 2348815), (10, 1879052), (14, 1342180), (20, 939526), (28, 671090), (35, 536872), (40, 469763), (49, 383480), (56, 335545), (70, 268436), (98, 191740), (140, 134218), (196, 95870), (245, 76696), (280, 67109), (392, 47935), (490, 38348), (980, 19174), (1960, 9587)]