18551748

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 44770880

約数和(自身を除く): 26219132

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 157, 172, 229, 258, 314, 458, 471, 516, 628, 687, 916, 942, 1374, 1884, 2748, 6751, 9847, 13502, 19694, 20253, 27004, 29541, 35953, 39388, 40506, 59082, 71906, 81012, 107859, 118164, 143812, 215718, 431436, 1545979, 3091958, 4637937, 6183916, 9275874, 18551748]

約数ペア:

[(1, 18551748), (2, 9275874), (3, 6183916), (4, 4637937), (6, 3091958), (12, 1545979), (43, 431436), (86, 215718), (129, 143812), (157, 118164), (172, 107859), (229, 81012), (258, 71906), (314, 59082), (458, 40506), (471, 39388), (516, 35953), (628, 29541), (687, 27004), (916, 20253), (942, 19694), (1374, 13502), (1884, 9847), (2748, 6751)]