1999268540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{276907}}^1$

素因数の和:276954

約数の個数: 36

約数和(自身を含む): 4431081816

約数和(自身を除く): 2431813276

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 276907, 553814, 1107628, 1384535, 2769070, 5261233, 5538140, 10522466, 21044932, 26306165, 52612330, 99963427, 105224660, 199926854, 399853708, 499817135, 999634270, 1999268540]

約数ペア:

[(1, 1999268540), (2, 999634270), (4, 499817135), (5, 399853708), (10, 199926854), (19, 105224660), (20, 99963427), (38, 52612330), (76, 26306165), (95, 21044932), (190, 10522466), (361, 5538140), (380, 5261233), (722, 2769070), (1444, 1384535), (1805, 1107628), (3610, 553814), (7220, 276907)]