18934583320

素因数分解:

$2^3\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{429161}}^1$

素因数の和:430275

約数の個数: 32

約数和(自身を含む): 42641536320

約数和(自身を除く): 23706953000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1103, 2206, 4412, 5515, 8824, 11030, 22060, 44120, 429161, 858322, 1716644, 2145805, 3433288, 4291610, 8583220, 17166440, 473364583, 946729166, 1893458332, 2366822915, 3786916664, 4733645830, 9467291660, 18934583320]

約数ペア:

[(1, 18934583320), (2, 9467291660), (4, 4733645830), (5, 3786916664), (8, 2366822915), (10, 1893458332), (20, 946729166), (40, 473364583), (1103, 17166440), (2206, 8583220), (4412, 4291610), (5515, 3433288), (8824, 2145805), (11030, 1716644), (22060, 858322), (44120, 429161)]