19351290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2203

約数の個数: 64

約数和(自身を含む): 54337536

約数和(自身を除く): 34986246

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2143, 3010, 4286, 4515, 6429, 9030, 10715, 12858, 15001, 21430, 30002, 32145, 45003, 64290, 75005, 90006, 92149, 150010, 184298, 225015, 276447, 450030, 460745, 552894, 645043, 921490, 1290086, 1382235, 1935129, 2764470, 3225215, 3870258, 6450430, 9675645, 19351290]

約数ペア:

[(1, 19351290), (2, 9675645), (3, 6450430), (5, 3870258), (6, 3225215), (7, 2764470), (10, 1935129), (14, 1382235), (15, 1290086), (21, 921490), (30, 645043), (35, 552894), (42, 460745), (43, 450030), (70, 276447), (86, 225015), (105, 184298), (129, 150010), (210, 92149), (215, 90006), (258, 75005), (301, 64290), (430, 45003), (602, 32145), (645, 30002), (903, 21430), (1290, 15001), (1505, 12858), (1806, 10715), (2143, 9030), (3010, 6429), (4286, 4515)]