18514344020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1266371}}^1$

素因数の和:1266440

約数の個数: 48

約数和(自身を含む): 42124598208

約数和(自身を除く): 23610254188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 1266371, 2532742, 5065484, 6331855, 12663710, 21528307, 25327420, 43056614, 54453953, 86113228, 107641535, 108907906, 215283070, 217815812, 272269765, 430566140, 544539530, 925717201, 1089079060, 1851434402, 3702868804, 4628586005, 9257172010, 18514344020]

約数ペア:

[(1, 18514344020), (2, 9257172010), (4, 4628586005), (5, 3702868804), (10, 1851434402), (17, 1089079060), (20, 925717201), (34, 544539530), (43, 430566140), (68, 272269765), (85, 217815812), (86, 215283070), (170, 108907906), (172, 107641535), (215, 86113228), (340, 54453953), (430, 43056614), (731, 25327420), (860, 21528307), (1462, 12663710), (2924, 6331855), (3655, 5065484), (7310, 2532742), (14620, 1266371)]