19755580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75983}}^1$

素因数の和:76005

約数の個数: 24

約数和(自身を含む): 44678592

約数和(自身を除く): 24923012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75983, 151966, 303932, 379915, 759830, 987779, 1519660, 1975558, 3951116, 4938895, 9877790, 19755580]

約数ペア:

[(1, 19755580), (2, 9877790), (4, 4938895), (5, 3951116), (10, 1975558), (13, 1519660), (20, 987779), (26, 759830), (52, 379915), (65, 303932), (130, 151966), (260, 75983)]