22131580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 49392000

約数和(自身を除く): 27260420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 419, 556, 695, 838, 1390, 1676, 2095, 2641, 2780, 4190, 5282, 7961, 8380, 10564, 13205, 15922, 26410, 31844, 39805, 52820, 58241, 79610, 116482, 159220, 232964, 291205, 582410, 1106579, 1164820, 2213158, 4426316, 5532895, 11065790, 22131580]

約数ペア:

[(1, 22131580), (2, 11065790), (4, 5532895), (5, 4426316), (10, 2213158), (19, 1164820), (20, 1106579), (38, 582410), (76, 291205), (95, 232964), (139, 159220), (190, 116482), (278, 79610), (380, 58241), (419, 52820), (556, 39805), (695, 31844), (838, 26410), (1390, 15922), (1676, 13205), (2095, 10564), (2641, 8380), (2780, 7961), (4190, 5282)]