19739080

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3767}}^1$

素因数の和:3909

約数の個数: 32

約数和(自身を含む): 44763840

約数和(自身を除く): 25024760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3767, 5240, 7534, 15068, 18835, 30136, 37670, 75340, 150680, 493477, 986954, 1973908, 2467385, 3947816, 4934770, 9869540, 19739080]

約数ペア:

[(1, 19739080), (2, 9869540), (4, 4934770), (5, 3947816), (8, 2467385), (10, 1973908), (20, 986954), (40, 493477), (131, 150680), (262, 75340), (524, 37670), (655, 30136), (1048, 18835), (1310, 15068), (2620, 7534), (3767, 5240)]