19827860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76261}}^1$

素因数の和:76283

約数の個数: 24

約数和(自身を含む): 44842056

約数和(自身を除く): 25014196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 76261, 152522, 305044, 381305, 762610, 991393, 1525220, 1982786, 3965572, 4956965, 9913930, 19827860]

約数ペア:

[(1, 19827860), (2, 9913930), (4, 4956965), (5, 3965572), (10, 1982786), (13, 1525220), (20, 991393), (26, 762610), (52, 381305), (65, 305044), (130, 152522), (260, 76261)]