19776186

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 44448768

約数和(自身を除く): 24672582

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 127, 211, 246, 254, 369, 381, 422, 633, 738, 762, 1143, 1266, 1899, 2286, 3798, 5207, 8651, 10414, 15621, 17302, 25953, 26797, 31242, 46863, 51906, 53594, 77859, 80391, 93726, 155718, 160782, 241173, 482346, 1098677, 2197354, 3296031, 6592062, 9888093, 19776186]

約数ペア:

[(1, 19776186), (2, 9888093), (3, 6592062), (6, 3296031), (9, 2197354), (18, 1098677), (41, 482346), (82, 241173), (123, 160782), (127, 155718), (211, 93726), (246, 80391), (254, 77859), (369, 53594), (381, 51906), (422, 46863), (633, 31242), (738, 26797), (762, 25953), (1143, 17302), (1266, 15621), (1899, 10414), (2286, 8651), (3798, 5207)]