19768246

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 13824074

約数列:

[1, 2, 17, 19, 34, 38, 71, 142, 323, 431, 646, 862, 1207, 1349, 2414, 2698, 7327, 8189, 14654, 16378, 22933, 30601, 45866, 61202, 139213, 278426, 520217, 581419, 1040434, 1162838, 9884123, 19768246]

約数ペア:

[(1, 19768246), (2, 9884123), (17, 1162838), (19, 1040434), (34, 581419), (38, 520217), (71, 278426), (142, 139213), (323, 61202), (431, 45866), (646, 30601), (862, 22933), (1207, 16378), (1349, 14654), (2414, 8189), (2698, 7327)]