18191768

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 41912640

約数和(自身を除く): 23720872

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 97, 119, 136, 194, 197, 238, 388, 394, 476, 679, 776, 788, 952, 1358, 1379, 1576, 1649, 2716, 2758, 3298, 3349, 5432, 5516, 6596, 6698, 11032, 11543, 13192, 13396, 19109, 23086, 23443, 26792, 38218, 46172, 46886, 76436, 92344, 93772, 133763, 152872, 187544, 267526, 324853, 535052, 649706, 1070104, 1299412, 2273971, 2598824, 4547942, 9095884, 18191768]

約数ペア:

[(1, 18191768), (2, 9095884), (4, 4547942), (7, 2598824), (8, 2273971), (14, 1299412), (17, 1070104), (28, 649706), (34, 535052), (56, 324853), (68, 267526), (97, 187544), (119, 152872), (136, 133763), (194, 93772), (197, 92344), (238, 76436), (388, 46886), (394, 46172), (476, 38218), (679, 26792), (776, 23443), (788, 23086), (952, 19109), (1358, 13396), (1379, 13192), (1576, 11543), (1649, 11032), (2716, 6698), (2758, 6596), (3298, 5516), (3349, 5432)]