20191990212

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1332277}}^1$

素因数の和:1332708

約数の個数: 36

約数和(自身を含む): 51162139756

約数和(自身を除く): 30970149544

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 2526, 3789, 5052, 7578, 15156, 1332277, 2664554, 3996831, 5329108, 7993662, 11990493, 15987324, 23980986, 47961972, 560888617, 1121777234, 1682665851, 2243554468, 3365331702, 5047997553, 6730663404, 10095995106, 20191990212]

約数ペア:

[(1, 20191990212), (2, 10095995106), (3, 6730663404), (4, 5047997553), (6, 3365331702), (9, 2243554468), (12, 1682665851), (18, 1121777234), (36, 560888617), (421, 47961972), (842, 23980986), (1263, 15987324), (1684, 11990493), (2526, 7993662), (3789, 5329108), (5052, 3996831), (7578, 2664554), (15156, 1332277)]