19972161

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{11867}}^1$

素因数の和:11901

約数の個数: 24

約数和(自身を含む): 33325344

約数和(自身を除く): 13353183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 11867, 35601, 106803, 130537, 201739, 391611, 605217, 1174833, 1815651, 2219129, 6657387, 19972161]

約数ペア:

[(1, 19972161), (3, 6657387), (9, 2219129), (11, 1815651), (17, 1174833), (33, 605217), (51, 391611), (99, 201739), (153, 130537), (187, 106803), (561, 35601), (1683, 11867)]