19207910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61961}}^1$

素因数の和:61999

約数の個数: 16

約数和(自身を含む): 35690112

約数和(自身を除く): 16482202

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 61961, 123922, 309805, 619610, 1920791, 3841582, 9603955, 19207910]

約数ペア:

[(1, 19207910), (2, 9603955), (5, 3841582), (10, 1920791), (31, 619610), (62, 309805), (155, 123922), (310, 61961)]