19549480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:946

約数の個数: 64

約数和(自身を含む): 47952000

約数和(自身を除く): 28402520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 887, 1102, 1160, 1774, 2204, 2755, 3548, 4408, 4435, 5510, 7096, 8870, 11020, 16853, 17740, 22040, 25723, 33706, 35480, 51446, 67412, 84265, 102892, 128615, 134824, 168530, 205784, 257230, 337060, 488737, 514460, 674120, 977474, 1028920, 1954948, 2443685, 3909896, 4887370, 9774740, 19549480]

約数ペア:

[(1, 19549480), (2, 9774740), (4, 4887370), (5, 3909896), (8, 2443685), (10, 1954948), (19, 1028920), (20, 977474), (29, 674120), (38, 514460), (40, 488737), (58, 337060), (76, 257230), (95, 205784), (116, 168530), (145, 134824), (152, 128615), (190, 102892), (232, 84265), (290, 67412), (380, 51446), (551, 35480), (580, 33706), (760, 25723), (887, 22040), (1102, 17740), (1160, 16853), (1774, 11020), (2204, 8870), (2755, 7096), (3548, 5510), (4408, 4435)]