18413990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1129}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 38076480

約数和(自身を除く): 19662490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 233, 466, 1129, 1165, 1631, 2258, 2330, 3262, 5645, 7903, 8155, 11290, 15806, 16310, 39515, 79030, 263057, 526114, 1315285, 1841399, 2630570, 3682798, 9206995, 18413990]

約数ペア:

[(1, 18413990), (2, 9206995), (5, 3682798), (7, 2630570), (10, 1841399), (14, 1315285), (35, 526114), (70, 263057), (233, 79030), (466, 39515), (1129, 16310), (1165, 15806), (1631, 11290), (2258, 8155), (2330, 7903), (3262, 5645)]