18354728

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 41395200

約数和(自身を除く): 23040472

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 97, 109, 124, 194, 217, 218, 248, 388, 434, 436, 679, 763, 776, 868, 872, 1358, 1526, 1736, 2716, 3007, 3052, 3379, 5432, 6014, 6104, 6758, 10573, 12028, 13516, 21049, 21146, 23653, 24056, 27032, 42098, 42292, 47306, 74011, 84196, 84584, 94612, 148022, 168392, 189224, 296044, 327763, 592088, 655526, 1311052, 2294341, 2622104, 4588682, 9177364, 18354728]

約数ペア:

[(1, 18354728), (2, 9177364), (4, 4588682), (7, 2622104), (8, 2294341), (14, 1311052), (28, 655526), (31, 592088), (56, 327763), (62, 296044), (97, 189224), (109, 168392), (124, 148022), (194, 94612), (217, 84584), (218, 84196), (248, 74011), (388, 47306), (434, 42292), (436, 42098), (679, 27032), (763, 24056), (776, 23653), (868, 21146), (872, 21049), (1358, 13516), (1526, 12028), (1736, 10573), (2716, 6758), (3007, 6104), (3052, 6014), (3379, 5432)]