18339912

素因数分解:

$2^3\times 3^3\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 32981688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 197, 216, 394, 431, 591, 788, 862, 1182, 1293, 1576, 1724, 1773, 2364, 2586, 3448, 3546, 3879, 4728, 5172, 5319, 7092, 7758, 10344, 10638, 11637, 14184, 15516, 21276, 23274, 31032, 42552, 46548, 84907, 93096, 169814, 254721, 339628, 509442, 679256, 764163, 1018884, 1528326, 2037768, 2292489, 3056652, 4584978, 6113304, 9169956, 18339912]

約数ペア:

[(1, 18339912), (2, 9169956), (3, 6113304), (4, 4584978), (6, 3056652), (8, 2292489), (9, 2037768), (12, 1528326), (18, 1018884), (24, 764163), (27, 679256), (36, 509442), (54, 339628), (72, 254721), (108, 169814), (197, 93096), (216, 84907), (394, 46548), (431, 42552), (591, 31032), (788, 23274), (862, 21276), (1182, 15516), (1293, 14184), (1576, 11637), (1724, 10638), (1773, 10344), (2364, 7758), (2586, 7092), (3448, 5319), (3546, 5172), (3879, 4728)]