18880736

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2767

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 24987424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2719, 3472, 5438, 6944, 10876, 19033, 21752, 38066, 43504, 76132, 84289, 87008, 152264, 168578, 304528, 337156, 590023, 609056, 674312, 1180046, 1348624, 2360092, 2697248, 4720184, 9440368, 18880736]

約数ペア:

[(1, 18880736), (2, 9440368), (4, 4720184), (7, 2697248), (8, 2360092), (14, 1348624), (16, 1180046), (28, 674312), (31, 609056), (32, 590023), (56, 337156), (62, 304528), (112, 168578), (124, 152264), (217, 87008), (224, 84289), (248, 76132), (434, 43504), (496, 38066), (868, 21752), (992, 19033), (1736, 10876), (2719, 6944), (3472, 5438)]