19372640

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{353}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 53524800

約数和(自身を除く): 34152160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 353, 392, 490, 560, 686, 706, 784, 980, 1120, 1372, 1412, 1568, 1715, 1765, 1960, 2471, 2744, 2824, 3430, 3530, 3920, 4942, 5488, 5648, 6860, 7060, 7840, 9884, 10976, 11296, 12355, 13720, 14120, 17297, 19768, 24710, 27440, 28240, 34594, 39536, 49420, 54880, 56480, 69188, 79072, 86485, 98840, 121079, 138376, 172970, 197680, 242158, 276752, 345940, 395360, 484316, 553504, 605395, 691880, 968632, 1210790, 1383760, 1937264, 2421580, 2767520, 3874528, 4843160, 9686320, 19372640]

約数ペア:

[(1, 19372640), (2, 9686320), (4, 4843160), (5, 3874528), (7, 2767520), (8, 2421580), (10, 1937264), (14, 1383760), (16, 1210790), (20, 968632), (28, 691880), (32, 605395), (35, 553504), (40, 484316), (49, 395360), (56, 345940), (70, 276752), (80, 242158), (98, 197680), (112, 172970), (140, 138376), (160, 121079), (196, 98840), (224, 86485), (245, 79072), (280, 69188), (343, 56480), (353, 54880), (392, 49420), (490, 39536), (560, 34594), (686, 28240), (706, 27440), (784, 24710), (980, 19768), (1120, 17297), (1372, 14120), (1412, 13720), (1568, 12355), (1715, 11296), (1765, 10976), (1960, 9884), (2471, 7840), (2744, 7060), (2824, 6860), (3430, 5648), (3530, 5488), (3920, 4942)]