18717912

素因数分解:

$2^3\times 3^3\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 52380000

約数和(自身を除く): 33662088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 193, 216, 386, 449, 579, 772, 898, 1158, 1347, 1544, 1737, 1796, 2316, 2694, 3474, 3592, 4041, 4632, 5211, 5388, 6948, 8082, 10422, 10776, 12123, 13896, 16164, 20844, 24246, 32328, 41688, 48492, 86657, 96984, 173314, 259971, 346628, 519942, 693256, 779913, 1039884, 1559826, 2079768, 2339739, 3119652, 4679478, 6239304, 9358956, 18717912]

約数ペア:

[(1, 18717912), (2, 9358956), (3, 6239304), (4, 4679478), (6, 3119652), (8, 2339739), (9, 2079768), (12, 1559826), (18, 1039884), (24, 779913), (27, 693256), (36, 519942), (54, 346628), (72, 259971), (108, 173314), (193, 96984), (216, 86657), (386, 48492), (449, 41688), (579, 32328), (772, 24246), (898, 20844), (1158, 16164), (1347, 13896), (1544, 12123), (1737, 10776), (1796, 10422), (2316, 8082), (2694, 6948), (3474, 5388), (3592, 5211), (4041, 4632)]