20191910713

素因数分解:

${\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1\times {\mathrm{337}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 22216626432

約数和(自身を除く): 2024715719

約数列:

[1, 13, 131, 151, 233, 337, 1703, 1963, 3029, 4381, 19781, 30523, 35183, 44147, 50887, 78521, 257153, 396799, 457379, 573911, 661531, 1020773, 4608973, 6666197, 10286251, 11856671, 59916649, 86660561, 133721263, 154136723, 1553223901, 20191910713]

約数ペア:

[(1, 20191910713), (13, 1553223901), (131, 154136723), (151, 133721263), (233, 86660561), (337, 59916649), (1703, 11856671), (1963, 10286251), (3029, 6666197), (4381, 4608973), (19781, 1020773), (30523, 661531), (35183, 573911), (44147, 457379), (50887, 396799), (78521, 257153)]