19969642

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 19843478

約数列:

[1, 2, 7, 11, 14, 22, 31, 47, 62, 77, 89, 94, 154, 178, 217, 329, 341, 434, 517, 623, 658, 682, 979, 1034, 1246, 1457, 1958, 2387, 2759, 2914, 3619, 4183, 4774, 5518, 6853, 7238, 8366, 10199, 13706, 16027, 19313, 20398, 29281, 30349, 32054, 38626, 46013, 58562, 60698, 92026, 112189, 129673, 212443, 224378, 259346, 322091, 424886, 644182, 907711, 1426403, 1815422, 2852806, 9984821, 19969642]

約数ペア:

[(1, 19969642), (2, 9984821), (7, 2852806), (11, 1815422), (14, 1426403), (22, 907711), (31, 644182), (47, 424886), (62, 322091), (77, 259346), (89, 224378), (94, 212443), (154, 129673), (178, 112189), (217, 92026), (329, 60698), (341, 58562), (434, 46013), (517, 38626), (623, 32054), (658, 30349), (682, 29281), (979, 20398), (1034, 19313), (1246, 16027), (1457, 13706), (1958, 10199), (2387, 8366), (2759, 7238), (2914, 6853), (3619, 5518), (4183, 4774)]