18705204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 54454400

約数和(自身を除く): 35749196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 373, 398, 597, 746, 796, 1119, 1194, 1393, 1492, 1791, 2238, 2388, 2611, 2786, 3357, 3582, 4179, 4476, 5222, 5572, 6714, 7164, 7833, 8358, 10444, 12537, 13428, 15666, 16716, 23499, 25074, 31332, 46998, 50148, 74227, 93996, 148454, 222681, 296908, 445362, 519589, 668043, 890724, 1039178, 1336086, 1558767, 2078356, 2672172, 3117534, 4676301, 6235068, 9352602, 18705204]

約数ペア:

[(1, 18705204), (2, 9352602), (3, 6235068), (4, 4676301), (6, 3117534), (7, 2672172), (9, 2078356), (12, 1558767), (14, 1336086), (18, 1039178), (21, 890724), (28, 668043), (36, 519589), (42, 445362), (63, 296908), (84, 222681), (126, 148454), (199, 93996), (252, 74227), (373, 50148), (398, 46998), (597, 31332), (746, 25074), (796, 23499), (1119, 16716), (1194, 15666), (1393, 13428), (1492, 12537), (1791, 10444), (2238, 8358), (2388, 7833), (2611, 7164), (2786, 6714), (3357, 5572), (3582, 5222), (4179, 4476)]