19263010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2178

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 18621662

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2087, 4174, 4615, 9230, 10435, 20870, 27131, 54262, 135655, 148177, 271310, 296354, 740885, 1481770, 1926301, 3852602, 9631505, 19263010]

約数ペア:

[(1, 19263010), (2, 9631505), (5, 3852602), (10, 1926301), (13, 1481770), (26, 740885), (65, 296354), (71, 271310), (130, 148177), (142, 135655), (355, 54262), (710, 27131), (923, 20870), (1846, 10435), (2087, 9230), (4174, 4615)]