19345641

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1303}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 30325824

約数和(自身を除く): 10980183

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 1303, 2121, 3909, 4949, 9121, 14847, 27363, 63847, 131603, 191541, 394809, 921221, 2763663, 6448547, 19345641]

約数ペア:

[(1, 19345641), (3, 6448547), (7, 2763663), (21, 921221), (49, 394809), (101, 191541), (147, 131603), (303, 63847), (707, 27363), (1303, 14847), (2121, 9121), (3909, 4949)]