19429520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22079}}^1$

素因数の和:22103

約数の個数: 40

約数和(自身を含む): 49282560

約数和(自身を除く): 29853040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22079, 44158, 88316, 110395, 176632, 220790, 242869, 353264, 441580, 485738, 883160, 971476, 1214345, 1766320, 1942952, 2428690, 3885904, 4857380, 9714760, 19429520]

約数ペア:

[(1, 19429520), (2, 9714760), (4, 4857380), (5, 3885904), (8, 2428690), (10, 1942952), (11, 1766320), (16, 1214345), (20, 971476), (22, 883160), (40, 485738), (44, 441580), (55, 353264), (80, 242869), (88, 220790), (110, 176632), (176, 110395), (220, 88316), (440, 44158), (880, 22079)]