18648616

素因数分解:

$2^3\times 7^2\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 41132340

約数和(自身を除く): 22483724

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 113, 196, 226, 392, 421, 452, 791, 842, 904, 1582, 1684, 2947, 3164, 3368, 5537, 5894, 6328, 11074, 11788, 20629, 22148, 23576, 41258, 44296, 47573, 82516, 95146, 165032, 190292, 333011, 380584, 666022, 1332044, 2331077, 2664088, 4662154, 9324308, 18648616]

約数ペア:

[(1, 18648616), (2, 9324308), (4, 4662154), (7, 2664088), (8, 2331077), (14, 1332044), (28, 666022), (49, 380584), (56, 333011), (98, 190292), (113, 165032), (196, 95146), (226, 82516), (392, 47573), (421, 44296), (452, 41258), (791, 23576), (842, 22148), (904, 20629), (1582, 11788), (1684, 11074), (2947, 6328), (3164, 5894), (3368, 5537)]