17855728

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:454

約数の個数: 60

約数和(自身を含む): 39778704

約数和(自身を除く): 21922976

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 121, 176, 184, 242, 253, 368, 401, 484, 506, 802, 968, 1012, 1604, 1936, 2024, 2783, 3208, 4048, 4411, 5566, 6416, 8822, 9223, 11132, 17644, 18446, 22264, 35288, 36892, 44528, 48521, 70576, 73784, 97042, 101453, 147568, 194084, 202906, 388168, 405812, 776336, 811624, 1115983, 1623248, 2231966, 4463932, 8927864, 17855728]

約数ペア:

[(1, 17855728), (2, 8927864), (4, 4463932), (8, 2231966), (11, 1623248), (16, 1115983), (22, 811624), (23, 776336), (44, 405812), (46, 388168), (88, 202906), (92, 194084), (121, 147568), (176, 101453), (184, 97042), (242, 73784), (253, 70576), (368, 48521), (401, 44528), (484, 36892), (506, 35288), (802, 22264), (968, 18446), (1012, 17644), (1604, 11132), (1936, 9223), (2024, 8822), (2783, 6416), (3208, 5566), (4048, 4411)]