19802394

素因数分解:

$2^1\times 3^4\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:752

約数の個数: 40

約数和(自身を含む): 44640288

約数和(自身を除く): 24837894

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 251, 487, 502, 753, 974, 1461, 1506, 2259, 2922, 4383, 4518, 6777, 8766, 13149, 13554, 20331, 26298, 39447, 40662, 78894, 122237, 244474, 366711, 733422, 1100133, 2200266, 3300399, 6600798, 9901197, 19802394]

約数ペア:

[(1, 19802394), (2, 9901197), (3, 6600798), (6, 3300399), (9, 2200266), (18, 1100133), (27, 733422), (54, 366711), (81, 244474), (162, 122237), (251, 78894), (487, 40662), (502, 39447), (753, 26298), (974, 20331), (1461, 13554), (1506, 13149), (2259, 8766), (2922, 6777), (4383, 4518)]