19149520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18413}}^1$

素因数の和:18439

約数の個数: 40

約数和(自身を含む): 47950056

約数和(自身を除く): 28800536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18413, 36826, 73652, 92065, 147304, 184130, 239369, 294608, 368260, 478738, 736520, 957476, 1196845, 1473040, 1914952, 2393690, 3829904, 4787380, 9574760, 19149520]

約数ペア:

[(1, 19149520), (2, 9574760), (4, 4787380), (5, 3829904), (8, 2393690), (10, 1914952), (13, 1473040), (16, 1196845), (20, 957476), (26, 736520), (40, 478738), (52, 368260), (65, 294608), (80, 239369), (104, 184130), (130, 147304), (208, 92065), (260, 73652), (520, 36826), (1040, 18413)]