19827340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76259}}^1$

素因数の和:76281

約数の個数: 24

約数和(自身を含む): 44840880

約数和(自身を除く): 25013540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 76259, 152518, 305036, 381295, 762590, 991367, 1525180, 1982734, 3965468, 4956835, 9913670, 19827340]

約数ペア:

[(1, 19827340), (2, 9913670), (4, 4956835), (5, 3965468), (10, 1982734), (13, 1525180), (20, 991367), (26, 762590), (52, 381295), (65, 305036), (130, 152518), (260, 76259)]