19169612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 42282240

約数和(自身を除く): 23112628

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 109, 154, 218, 308, 436, 571, 763, 1142, 1199, 1526, 2284, 2398, 3052, 3997, 4796, 6281, 7994, 8393, 12562, 15988, 16786, 25124, 33572, 43967, 62239, 87934, 124478, 175868, 248956, 435673, 684629, 871346, 1369258, 1742692, 2738516, 4792403, 9584806, 19169612]

約数ペア:

[(1, 19169612), (2, 9584806), (4, 4792403), (7, 2738516), (11, 1742692), (14, 1369258), (22, 871346), (28, 684629), (44, 435673), (77, 248956), (109, 175868), (154, 124478), (218, 87934), (308, 62239), (436, 43967), (571, 33572), (763, 25124), (1142, 16786), (1199, 15988), (1526, 12562), (2284, 8393), (2398, 7994), (3052, 6281), (3997, 4796)]