19181680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34253}}^1$

素因数の和:34273

約数の個数: 40

約数和(自身を含む): 50969952

約数和(自身を除く): 31788272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34253, 68506, 137012, 171265, 239771, 274024, 342530, 479542, 548048, 685060, 959084, 1198855, 1370120, 1918168, 2397710, 2740240, 3836336, 4795420, 9590840, 19181680]

約数ペア:

[(1, 19181680), (2, 9590840), (4, 4795420), (5, 3836336), (7, 2740240), (8, 2397710), (10, 1918168), (14, 1370120), (16, 1198855), (20, 959084), (28, 685060), (35, 548048), (40, 479542), (56, 342530), (70, 274024), (80, 239771), (112, 171265), (140, 137012), (280, 68506), (560, 34253)]