19465810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21391}}^1$

素因数の和:21418

約数の個数: 32

約数和(自身を含む): 43126272

約数和(自身を除く): 23660462

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21391, 42782, 106955, 149737, 213910, 278083, 299474, 556166, 748685, 1390415, 1497370, 1946581, 2780830, 3893162, 9732905, 19465810]

約数ペア:

[(1, 19465810), (2, 9732905), (5, 3893162), (7, 2780830), (10, 1946581), (13, 1497370), (14, 1390415), (26, 748685), (35, 556166), (65, 299474), (70, 278083), (91, 213910), (130, 149737), (182, 106955), (455, 42782), (910, 21391)]