18228448

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4283}}^1$

素因数の和:4319

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 24954272

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 4283, 8566, 17132, 29981, 34264, 59962, 68528, 81377, 119924, 137056, 162754, 239848, 325508, 479696, 569639, 651016, 959392, 1139278, 1302032, 2278556, 2604064, 4557112, 9114224, 18228448]

約数ペア:

[(1, 18228448), (2, 9114224), (4, 4557112), (7, 2604064), (8, 2278556), (14, 1302032), (16, 1139278), (19, 959392), (28, 651016), (32, 569639), (38, 479696), (56, 325508), (76, 239848), (112, 162754), (133, 137056), (152, 119924), (224, 81377), (266, 68528), (304, 59962), (532, 34264), (608, 29981), (1064, 17132), (2128, 8566), (4256, 4283)]