19076780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 42819840

約数和(自身を除く): 23743060

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1061, 1798, 2122, 3596, 4244, 4495, 5305, 8990, 10610, 17980, 21220, 30769, 32891, 61538, 65782, 123076, 131564, 153845, 164455, 307690, 328910, 615380, 657820, 953839, 1907678, 3815356, 4769195, 9538390, 19076780]

約数ペア:

[(1, 19076780), (2, 9538390), (4, 4769195), (5, 3815356), (10, 1907678), (20, 953839), (29, 657820), (31, 615380), (58, 328910), (62, 307690), (116, 164455), (124, 153845), (145, 131564), (155, 123076), (290, 65782), (310, 61538), (580, 32891), (620, 30769), (899, 21220), (1061, 17980), (1798, 10610), (2122, 8990), (3596, 5305), (4244, 4495)]