19490030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9601}}^1$

素因数の和:9644

約数の個数: 32

約数和(自身を含む): 41480640

約数和(自身を除く): 21990610

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9601, 19202, 48005, 67207, 96010, 134414, 278429, 336035, 556858, 672070, 1392145, 1949003, 2784290, 3898006, 9745015, 19490030]

約数ペア:

[(1, 19490030), (2, 9745015), (5, 3898006), (7, 2784290), (10, 1949003), (14, 1392145), (29, 672070), (35, 556858), (58, 336035), (70, 278429), (145, 134414), (203, 96010), (290, 67207), (406, 48005), (1015, 19202), (2030, 9601)]