18046840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64453}}^1$

素因数の和:64471

約数の個数: 32

約数和(自身を含む): 46406880

約数和(自身を除く): 28360040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64453, 128906, 257812, 322265, 451171, 515624, 644530, 902342, 1289060, 1804684, 2255855, 2578120, 3609368, 4511710, 9023420, 18046840]

約数ペア:

[(1, 18046840), (2, 9023420), (4, 4511710), (5, 3609368), (7, 2578120), (8, 2255855), (10, 1804684), (14, 1289060), (20, 902342), (28, 644530), (35, 515624), (40, 451171), (56, 322265), (70, 257812), (140, 128906), (280, 64453)]