18902910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2593

約数の個数: 64

約数和(自身を含む): 51448320

約数和(自身を除く): 32545410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2551, 3705, 5102, 7410, 7653, 12755, 15306, 25510, 33163, 38265, 48469, 66326, 76530, 96938, 99489, 145407, 165815, 198978, 242345, 290814, 331630, 484690, 497445, 630097, 727035, 994890, 1260194, 1454070, 1890291, 3150485, 3780582, 6300970, 9451455, 18902910]

約数ペア:

[(1, 18902910), (2, 9451455), (3, 6300970), (5, 3780582), (6, 3150485), (10, 1890291), (13, 1454070), (15, 1260194), (19, 994890), (26, 727035), (30, 630097), (38, 497445), (39, 484690), (57, 331630), (65, 290814), (78, 242345), (95, 198978), (114, 165815), (130, 145407), (190, 99489), (195, 96938), (247, 76530), (285, 66326), (390, 48469), (494, 38265), (570, 33163), (741, 25510), (1235, 15306), (1482, 12755), (2470, 7653), (2551, 7410), (3705, 5102)]