18514554009

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{98939}}^1$

素因数の和:99042

約数の個数: 48

約数和(自身を含む): 30679315200

約数和(自身を除く): 12164761191

約数列:

[1, 3, 7, 19, 21, 49, 57, 67, 133, 147, 201, 399, 469, 931, 1273, 1407, 2793, 3283, 3819, 8911, 9849, 26733, 62377, 98939, 187131, 296817, 692573, 1879841, 2077719, 4848011, 5639523, 6628913, 13158887, 14544033, 19886739, 39476661, 46402391, 92112209, 125949347, 139207173, 276336627, 324816737, 377848041, 881645429, 974450211, 2644936287, 6171518003, 18514554009]

約数ペア:

[(1, 18514554009), (3, 6171518003), (7, 2644936287), (19, 974450211), (21, 881645429), (49, 377848041), (57, 324816737), (67, 276336627), (133, 139207173), (147, 125949347), (201, 92112209), (399, 46402391), (469, 39476661), (931, 19886739), (1273, 14544033), (1407, 13158887), (2793, 6628913), (3283, 5639523), (3819, 4848011), (8911, 2077719), (9849, 1879841), (26733, 692573), (62377, 296817), (98939, 187131)]