19474399

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 24837120

約数和(自身を除く): 5362721

約数列:

[1, 7, 23, 29, 43, 97, 161, 203, 301, 667, 679, 989, 1247, 2231, 2813, 4171, 4669, 6923, 8729, 15617, 19691, 28681, 29197, 64699, 95933, 120959, 200767, 452893, 671531, 846713, 2782057, 19474399]

約数ペア:

[(1, 19474399), (7, 2782057), (23, 846713), (29, 671531), (43, 452893), (97, 200767), (161, 120959), (203, 95933), (301, 64699), (667, 29197), (679, 28681), (989, 19691), (1247, 15617), (2231, 8729), (2813, 6923), (4171, 4669)]