18215512

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3919}}^1$

素因数の和:4015

約数の個数: 32

約数和(自身を含む): 39513600

約数和(自身を除く): 21298088

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 3919, 4648, 7838, 15676, 27433, 31352, 54866, 109732, 219464, 325277, 650554, 1301108, 2276939, 2602216, 4553878, 9107756, 18215512]

約数ペア:

[(1, 18215512), (2, 9107756), (4, 4553878), (7, 2602216), (8, 2276939), (14, 1301108), (28, 650554), (56, 325277), (83, 219464), (166, 109732), (332, 54866), (581, 31352), (664, 27433), (1162, 15676), (2324, 7838), (3919, 4648)]