19319770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4421}}^1$

素因数の和:4470

約数の個数: 32

約数和(自身を含む): 38206080

約数和(自身を除く): 18886310

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4421, 8842, 22105, 44210, 83999, 101683, 167998, 203366, 419995, 508415, 839990, 1016830, 1931977, 3863954, 9659885, 19319770]

約数ペア:

[(1, 19319770), (2, 9659885), (5, 3863954), (10, 1931977), (19, 1016830), (23, 839990), (38, 508415), (46, 419995), (95, 203366), (115, 167998), (190, 101683), (230, 83999), (437, 44210), (874, 22105), (2185, 8842), (4370, 4421)]