18792026

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 33643680

約数和(自身を除く): 14851654

約数列:

[1, 2, 11, 19, 22, 38, 61, 67, 121, 122, 134, 209, 242, 418, 671, 737, 1159, 1273, 1342, 1474, 2299, 2318, 2546, 4087, 4598, 7381, 8107, 8174, 12749, 14003, 14762, 16214, 25498, 28006, 44957, 77653, 89914, 140239, 154033, 155306, 280478, 308066, 494527, 854183, 989054, 1708366, 9396013, 18792026]

約数ペア:

[(1, 18792026), (2, 9396013), (11, 1708366), (19, 989054), (22, 854183), (38, 494527), (61, 308066), (67, 280478), (121, 155306), (122, 154033), (134, 140239), (209, 89914), (242, 77653), (418, 44957), (671, 28006), (737, 25498), (1159, 16214), (1273, 14762), (1342, 14003), (1474, 12749), (2299, 8174), (2318, 8107), (2546, 7381), (4087, 4598)]