19584080

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1069}}^1$

素因数の和:1311

約数の個数: 40

約数和(自身を含む): 45774600

約数和(自身を除く): 26190520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1069, 1145, 1832, 2138, 2290, 3664, 4276, 4580, 5345, 8552, 9160, 10690, 17104, 18320, 21380, 42760, 85520, 244801, 489602, 979204, 1224005, 1958408, 2448010, 3916816, 4896020, 9792040, 19584080]

約数ペア:

[(1, 19584080), (2, 9792040), (4, 4896020), (5, 3916816), (8, 2448010), (10, 1958408), (16, 1224005), (20, 979204), (40, 489602), (80, 244801), (229, 85520), (458, 42760), (916, 21380), (1069, 18320), (1145, 17104), (1832, 10690), (2138, 9160), (2290, 8552), (3664, 5345), (4276, 4580)]