18904914

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{5557}}^1$

素因数の和:5581

約数の個数: 48

約数和(自身を含む): 48554688

約数和(自身を除く): 29649774

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 5557, 11114, 16671, 33342, 38899, 50013, 77798, 100026, 116697, 150039, 233394, 300078, 350091, 450117, 700182, 900234, 1050273, 1350351, 2100546, 2700702, 3150819, 6301638, 9452457, 18904914]

約数ペア:

[(1, 18904914), (2, 9452457), (3, 6301638), (6, 3150819), (7, 2700702), (9, 2100546), (14, 1350351), (18, 1050273), (21, 900234), (27, 700182), (42, 450117), (54, 350091), (63, 300078), (81, 233394), (126, 150039), (162, 116697), (189, 100026), (243, 77798), (378, 50013), (486, 38899), (567, 33342), (1134, 16671), (1701, 11114), (3402, 5557)]