19565168

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2393}}^1$

素因数の和:2481

約数の個数: 40

約数和(自身を含む): 43934688

約数和(自身を除く): 24369520

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2393, 4088, 4786, 8176, 9572, 16751, 19144, 33502, 38288, 67004, 134008, 174689, 268016, 349378, 698756, 1222823, 1397512, 2445646, 2795024, 4891292, 9782584, 19565168]

約数ペア:

[(1, 19565168), (2, 9782584), (4, 4891292), (7, 2795024), (8, 2445646), (14, 1397512), (16, 1222823), (28, 698756), (56, 349378), (73, 268016), (112, 174689), (146, 134008), (292, 67004), (511, 38288), (584, 33502), (1022, 19144), (1168, 16751), (2044, 9572), (2393, 8176), (4088, 4786)]