19811974

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{15551}}^1$

素因数の和:15580

約数の個数: 24

約数和(自身を含む): 37231488

約数和(自身を除く): 17419514

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 15551, 31102, 108857, 202163, 217714, 404326, 761999, 1415141, 1523998, 2830282, 9905987, 19811974]

約数ペア:

[(1, 19811974), (2, 9905987), (7, 2830282), (13, 1523998), (14, 1415141), (26, 761999), (49, 404326), (91, 217714), (98, 202163), (182, 108857), (637, 31102), (1274, 15551)]