18704484

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^2\times {\mathrm{281}}^1$

素因数の和:377

約数の個数: 54

約数和(自身を含む): 48578166

約数和(自身を除く): 29873682

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 281, 387, 516, 562, 774, 843, 1124, 1548, 1686, 1849, 2529, 3372, 3698, 5058, 5547, 7396, 10116, 11094, 12083, 16641, 22188, 24166, 33282, 36249, 48332, 66564, 72498, 108747, 144996, 217494, 434988, 519569, 1039138, 1558707, 2078276, 3117414, 4676121, 6234828, 9352242, 18704484]

約数ペア:

[(1, 18704484), (2, 9352242), (3, 6234828), (4, 4676121), (6, 3117414), (9, 2078276), (12, 1558707), (18, 1039138), (36, 519569), (43, 434988), (86, 217494), (129, 144996), (172, 108747), (258, 72498), (281, 66564), (387, 48332), (516, 36249), (562, 33282), (774, 24166), (843, 22188), (1124, 16641), (1548, 12083), (1686, 11094), (1849, 10116), (2529, 7396), (3372, 5547), (3698, 5058)]