19951190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{677}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 41200704

約数和(自身を除く): 21249514

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 677, 842, 1354, 2105, 2947, 3385, 4210, 4739, 5894, 6770, 9478, 14735, 23695, 29470, 47390, 285017, 570034, 1425085, 1995119, 2850170, 3990238, 9975595, 19951190]

約数ペア:

[(1, 19951190), (2, 9975595), (5, 3990238), (7, 2850170), (10, 1995119), (14, 1425085), (35, 570034), (70, 285017), (421, 47390), (677, 29470), (842, 23695), (1354, 14735), (2105, 9478), (2947, 6770), (3385, 5894), (4210, 4739)]