18285890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1093}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 37808640

約数和(自身を除く): 19522750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 239, 478, 1093, 1195, 1673, 2186, 2390, 3346, 5465, 7651, 8365, 10930, 15302, 16730, 38255, 76510, 261227, 522454, 1306135, 1828589, 2612270, 3657178, 9142945, 18285890]

約数ペア:

[(1, 18285890), (2, 9142945), (5, 3657178), (7, 2612270), (10, 1828589), (14, 1306135), (35, 522454), (70, 261227), (239, 76510), (478, 38255), (1093, 16730), (1195, 15302), (1673, 10930), (2186, 8365), (2390, 7651), (3346, 5465)]