19005388

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1039}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 35380800

約数和(自身を除く): 16375412

約数列:

[1, 2, 4, 17, 34, 68, 269, 538, 1039, 1076, 2078, 4156, 4573, 9146, 17663, 18292, 35326, 70652, 279491, 558982, 1117964, 4751347, 9502694, 19005388]

約数ペア:

[(1, 19005388), (2, 9502694), (4, 4751347), (17, 1117964), (34, 558982), (68, 279491), (269, 70652), (538, 35326), (1039, 18292), (1076, 17663), (2078, 9146), (4156, 4573)]