19107680

素因数分解:

$2^5\times 5^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 45405360

約数和(自身を除く): 26297680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 307, 389, 614, 778, 1228, 1535, 1556, 1945, 2456, 3070, 3112, 3890, 4912, 6140, 6224, 7780, 9824, 12280, 12448, 15560, 24560, 31120, 49120, 62240, 119423, 238846, 477692, 597115, 955384, 1194230, 1910768, 2388460, 3821536, 4776920, 9553840, 19107680]

約数ペア:

[(1, 19107680), (2, 9553840), (4, 4776920), (5, 3821536), (8, 2388460), (10, 1910768), (16, 1194230), (20, 955384), (32, 597115), (40, 477692), (80, 238846), (160, 119423), (307, 62240), (389, 49120), (614, 31120), (778, 24560), (1228, 15560), (1535, 12448), (1556, 12280), (1945, 9824), (2456, 7780), (3070, 6224), (3112, 6140), (3890, 4912)]