18783940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134171}}^1$

素因数の和:134187

約数の個数: 24

約数和(自身を含む): 45081792

約数和(自身を除く): 26297852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134171, 268342, 536684, 670855, 939197, 1341710, 1878394, 2683420, 3756788, 4695985, 9391970, 18783940]

約数ペア:

[(1, 18783940), (2, 9391970), (4, 4695985), (5, 3756788), (7, 2683420), (10, 1878394), (14, 1341710), (20, 939197), (28, 670855), (35, 536684), (70, 268342), (140, 134171)]