18438616

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3967}}^1$

素因数の和:4063

約数の個数: 32

約数和(自身を含む): 39997440

約数和(自身を除く): 21558824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 3967, 4648, 7934, 15868, 27769, 31736, 55538, 111076, 222152, 329261, 658522, 1317044, 2304827, 2634088, 4609654, 9219308, 18438616]

約数ペア:

[(1, 18438616), (2, 9219308), (4, 4609654), (7, 2634088), (8, 2304827), (14, 1317044), (28, 658522), (56, 329261), (83, 222152), (166, 111076), (332, 55538), (581, 31736), (664, 27769), (1162, 15868), (2324, 7934), (3967, 4648)]