19260140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15787}}^1$

素因数の和:15857

約数の個数: 24

約数和(自身を含む): 41111952

約数和(自身を除く): 21851812

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15787, 31574, 63148, 78935, 157870, 315740, 963007, 1926014, 3852028, 4815035, 9630070, 19260140]

約数ペア:

[(1, 19260140), (2, 9630070), (4, 4815035), (5, 3852028), (10, 1926014), (20, 963007), (61, 315740), (122, 157870), (244, 78935), (305, 63148), (610, 31574), (1220, 15787)]