13680190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 26244000

約数和(自身を除く): 12563810

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 809, 890, 1618, 1691, 3382, 4045, 8090, 8455, 15371, 16910, 30742, 72001, 76855, 144002, 153710, 360005, 720010, 1368019, 2736038, 6840095, 13680190]

約数ペア:

[(1, 13680190), (2, 6840095), (5, 2736038), (10, 1368019), (19, 720010), (38, 360005), (89, 153710), (95, 144002), (178, 76855), (190, 72001), (445, 30742), (809, 16910), (890, 15371), (1618, 8455), (1691, 8090), (3382, 4045)]