18634286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13299154

約数列:

[1, 2, 11, 22, 31, 62, 89, 178, 307, 341, 614, 682, 979, 1958, 2759, 3377, 5518, 6754, 9517, 19034, 27323, 30349, 54646, 60698, 104687, 209374, 300553, 601106, 847013, 1694026, 9317143, 18634286]

約数ペア:

[(1, 18634286), (2, 9317143), (11, 1694026), (22, 847013), (31, 601106), (62, 300553), (89, 209374), (178, 104687), (307, 60698), (341, 54646), (614, 30349), (682, 27323), (979, 19034), (1958, 9517), (2759, 6754), (3377, 5518)]