18926618

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 11866342

約数列:

[1, 2, 29, 47, 53, 58, 94, 106, 131, 262, 1363, 1537, 2491, 2726, 3074, 3799, 4982, 6157, 6943, 7598, 12314, 13886, 72239, 144478, 178553, 201347, 326321, 357106, 402694, 652642, 9463309, 18926618]

約数ペア:

[(1, 18926618), (2, 9463309), (29, 652642), (47, 402694), (53, 357106), (58, 326321), (94, 201347), (106, 178553), (131, 144478), (262, 72239), (1363, 13886), (1537, 12314), (2491, 7598), (2726, 6943), (3074, 6157), (3799, 4982)]