19709032

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4957}}^1$

素因数の和:5041

約数の個数: 32

約数和(自身を含む): 42837120

約数和(自身を除く): 23128088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4957, 9914, 19828, 34699, 39656, 69398, 138796, 277592, 351947, 703894, 1407788, 2463629, 2815576, 4927258, 9854516, 19709032]

約数ペア:

[(1, 19709032), (2, 9854516), (4, 4927258), (7, 2815576), (8, 2463629), (14, 1407788), (28, 703894), (56, 351947), (71, 277592), (142, 138796), (284, 69398), (497, 39656), (568, 34699), (994, 19828), (1988, 9914), (3976, 4957)]