19859340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{691}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 55802880

約数和(自身を除く): 35943540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 479, 691, 958, 1382, 1437, 1916, 2073, 2395, 2764, 2874, 3455, 4146, 4790, 5748, 6910, 7185, 8292, 9580, 10365, 13820, 14370, 20730, 28740, 41460, 330989, 661978, 992967, 1323956, 1654945, 1985934, 3309890, 3971868, 4964835, 6619780, 9929670, 19859340]

約数ペア:

[(1, 19859340), (2, 9929670), (3, 6619780), (4, 4964835), (5, 3971868), (6, 3309890), (10, 1985934), (12, 1654945), (15, 1323956), (20, 992967), (30, 661978), (60, 330989), (479, 41460), (691, 28740), (958, 20730), (1382, 14370), (1437, 13820), (1916, 10365), (2073, 9580), (2395, 8292), (2764, 7185), (2874, 6910), (3455, 5748), (4146, 4790)]