19064871

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2543}}^1$

素因数の和:2580

約数の個数: 36

約数和(自身を含む): 33931872

約数和(自身を除く): 14867001

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 2543, 7497, 7629, 17801, 22887, 43231, 53403, 124607, 129693, 160209, 302617, 373821, 389079, 907851, 1121463, 2118319, 2723553, 6354957, 19064871]

約数ペア:

[(1, 19064871), (3, 6354957), (7, 2723553), (9, 2118319), (17, 1121463), (21, 907851), (49, 389079), (51, 373821), (63, 302617), (119, 160209), (147, 129693), (153, 124607), (357, 53403), (441, 43231), (833, 22887), (1071, 17801), (2499, 7629), (2543, 7497)]