11989190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 23004000

約数和(自身を除く): 11014810

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 709, 890, 1418, 1691, 3382, 3545, 7090, 8455, 13471, 16910, 26942, 63101, 67355, 126202, 134710, 315505, 631010, 1198919, 2397838, 5994595, 11989190]

約数ペア:

[(1, 11989190), (2, 5994595), (5, 2397838), (10, 1198919), (19, 631010), (38, 315505), (89, 134710), (95, 126202), (178, 67355), (190, 63101), (445, 26942), (709, 16910), (890, 13471), (1418, 8455), (1691, 7090), (3382, 3545)]