2019960206

素因数分解:

$2^1\times {\mathrm{11}}^4\times {\mathrm{101}}^1\times {\mathrm{683}}^1$

素因数の和:830

約数の個数: 40

約数和(自身を含む): 3370840920

約数和(自身を除く): 1350880714

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 683, 1111, 1331, 1366, 2222, 2662, 7513, 12221, 14641, 15026, 24442, 29282, 68983, 82643, 134431, 137966, 165286, 268862, 758813, 909073, 1478741, 1517626, 1818146, 2957482, 8346943, 9999803, 16693886, 19999606, 91816373, 183632746, 1009980103, 2019960206]

約数ペア:

[(1, 2019960206), (2, 1009980103), (11, 183632746), (22, 91816373), (101, 19999606), (121, 16693886), (202, 9999803), (242, 8346943), (683, 2957482), (1111, 1818146), (1331, 1517626), (1366, 1478741), (2222, 909073), (2662, 758813), (7513, 268862), (12221, 165286), (14641, 137966), (15026, 134431), (24442, 82643), (29282, 68983)]