19197607

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 24494400

約数和(自身を除く): 5296793

約数列:

[1, 11, 13, 17, 53, 143, 149, 187, 221, 583, 689, 901, 1639, 1937, 2431, 2533, 7579, 7897, 9911, 11713, 21307, 27863, 32929, 86867, 102661, 128843, 134249, 362219, 1129271, 1476739, 1745237, 19197607]

約数ペア:

[(1, 19197607), (11, 1745237), (13, 1476739), (17, 1129271), (53, 362219), (143, 134249), (149, 128843), (187, 102661), (221, 86867), (583, 32929), (689, 27863), (901, 21307), (1639, 11713), (1937, 9911), (2431, 7897), (2533, 7579)]