19153810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{587}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 37340352

約数和(自身を除く): 18186542

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 587, 1174, 1255, 2510, 2935, 3263, 5870, 6526, 7631, 15262, 16315, 32630, 38155, 76310, 147337, 294674, 736685, 1473370, 1915381, 3830762, 9576905, 19153810]

約数ペア:

[(1, 19153810), (2, 9576905), (5, 3830762), (10, 1915381), (13, 1473370), (26, 736685), (65, 294674), (130, 147337), (251, 76310), (502, 38155), (587, 32630), (1174, 16315), (1255, 15262), (2510, 7631), (2935, 6526), (3263, 5870)]