19723160

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1301}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 44528400

約数和(自身を除く): 24805240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1301, 1516, 1895, 2602, 3032, 3790, 5204, 6505, 7580, 10408, 13010, 15160, 26020, 52040, 493079, 986158, 1972316, 2465395, 3944632, 4930790, 9861580, 19723160]

約数ペア:

[(1, 19723160), (2, 9861580), (4, 4930790), (5, 3944632), (8, 2465395), (10, 1972316), (20, 986158), (40, 493079), (379, 52040), (758, 26020), (1301, 15160), (1516, 13010), (1895, 10408), (2602, 7580), (3032, 6505), (3790, 5204)]