18781572

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 45017280

約数和(自身を除く): 26235708

約数列:

[1, 2, 3, 4, 6, 12, 83, 109, 166, 173, 218, 249, 327, 332, 346, 436, 498, 519, 654, 692, 996, 1038, 1308, 2076, 9047, 14359, 18094, 18857, 27141, 28718, 36188, 37714, 43077, 54282, 56571, 57436, 75428, 86154, 108564, 113142, 172308, 226284, 1565131, 3130262, 4695393, 6260524, 9390786, 18781572]

約数ペア:

[(1, 18781572), (2, 9390786), (3, 6260524), (4, 4695393), (6, 3130262), (12, 1565131), (83, 226284), (109, 172308), (166, 113142), (173, 108564), (218, 86154), (249, 75428), (327, 57436), (332, 56571), (346, 54282), (436, 43077), (498, 37714), (519, 36188), (654, 28718), (692, 27141), (996, 18857), (1038, 18094), (1308, 14359), (2076, 9047)]