19022410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 19281590

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 121, 158, 199, 242, 395, 398, 605, 790, 869, 995, 1210, 1738, 1990, 2189, 4345, 4378, 8690, 9559, 10945, 15721, 19118, 21890, 24079, 31442, 47795, 48158, 78605, 95590, 120395, 157210, 172931, 240790, 345862, 864655, 1729310, 1902241, 3804482, 9511205, 19022410]

約数ペア:

[(1, 19022410), (2, 9511205), (5, 3804482), (10, 1902241), (11, 1729310), (22, 864655), (55, 345862), (79, 240790), (110, 172931), (121, 157210), (158, 120395), (199, 95590), (242, 78605), (395, 48158), (398, 47795), (605, 31442), (790, 24079), (869, 21890), (995, 19118), (1210, 15721), (1738, 10945), (1990, 9559), (2189, 8690), (4345, 4378)]