19050005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^2$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 25571112

約数和(自身を除く): 6521107

約数列:

[1, 5, 13, 37, 65, 89, 185, 445, 481, 1157, 2405, 3293, 5785, 7921, 16465, 39605, 42809, 102973, 214045, 293077, 514865, 1465385, 3810001, 19050005]

約数ペア:

[(1, 19050005), (5, 3810001), (13, 1465385), (37, 514865), (65, 293077), (89, 214045), (185, 102973), (445, 42809), (481, 39605), (1157, 16465), (2405, 7921), (3293, 5785)]