19829235

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 13168653

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 433, 645, 1065, 1299, 2165, 3053, 6495, 9159, 15265, 18619, 30743, 45795, 55857, 92229, 93095, 153715, 279285, 461145, 1321949, 3965847, 6609745, 19829235]

約数ペア:

[(1, 19829235), (3, 6609745), (5, 3965847), (15, 1321949), (43, 461145), (71, 279285), (129, 153715), (213, 93095), (215, 92229), (355, 55857), (433, 45795), (645, 30743), (1065, 18619), (1299, 15265), (2165, 9159), (3053, 6495)]