19826870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 42525648

約数和(自身を除く): 22698778

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 941, 1505, 1882, 2107, 3010, 4214, 4705, 6587, 9410, 10535, 13174, 21070, 32935, 40463, 46109, 65870, 80926, 92218, 202315, 230545, 283241, 404630, 461090, 566482, 1416205, 1982687, 2832410, 3965374, 9913435, 19826870]

約数ペア:

[(1, 19826870), (2, 9913435), (5, 3965374), (7, 2832410), (10, 1982687), (14, 1416205), (35, 566482), (43, 461090), (49, 404630), (70, 283241), (86, 230545), (98, 202315), (215, 92218), (245, 80926), (301, 65870), (430, 46109), (490, 40463), (602, 32935), (941, 21070), (1505, 13174), (1882, 10535), (2107, 9410), (3010, 6587), (4214, 4705)]