19203320

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 44928000

約数和(自身を除く): 25724680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 79, 103, 118, 158, 206, 236, 295, 316, 395, 412, 472, 515, 590, 632, 790, 824, 1030, 1180, 1580, 2060, 2360, 3160, 4120, 4661, 6077, 8137, 9322, 12154, 16274, 18644, 23305, 24308, 30385, 32548, 37288, 40685, 46610, 48616, 60770, 65096, 81370, 93220, 121540, 162740, 186440, 243080, 325480, 480083, 960166, 1920332, 2400415, 3840664, 4800830, 9601660, 19203320]

約数ペア:

[(1, 19203320), (2, 9601660), (4, 4800830), (5, 3840664), (8, 2400415), (10, 1920332), (20, 960166), (40, 480083), (59, 325480), (79, 243080), (103, 186440), (118, 162740), (158, 121540), (206, 93220), (236, 81370), (295, 65096), (316, 60770), (395, 48616), (412, 46610), (472, 40685), (515, 37288), (590, 32548), (632, 30385), (790, 24308), (824, 23305), (1030, 18644), (1180, 16274), (1580, 12154), (2060, 9322), (2360, 8137), (3160, 6077), (4120, 4661)]