19193840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3037}}^1$

素因数の和:3129

約数の個数: 40

約数和(自身を含む): 45205440

約数和(自身を除く): 26011600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3037, 3160, 6074, 6320, 12148, 15185, 24296, 30370, 48592, 60740, 121480, 239923, 242960, 479846, 959692, 1199615, 1919384, 2399230, 3838768, 4798460, 9596920, 19193840]

約数ペア:

[(1, 19193840), (2, 9596920), (4, 4798460), (5, 3838768), (8, 2399230), (10, 1919384), (16, 1199615), (20, 959692), (40, 479846), (79, 242960), (80, 239923), (158, 121480), (316, 60740), (395, 48592), (632, 30370), (790, 24296), (1264, 15185), (1580, 12148), (3037, 6320), (3160, 6074)]