19148008

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 40027680

約数和(自身を除く): 20879672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 131, 151, 242, 262, 302, 484, 524, 604, 968, 1048, 1208, 1441, 1661, 2882, 3322, 5764, 6644, 11528, 13288, 15851, 18271, 19781, 31702, 36542, 39562, 63404, 73084, 79124, 126808, 146168, 158248, 217591, 435182, 870364, 1740728, 2393501, 4787002, 9574004, 19148008]

約数ペア:

[(1, 19148008), (2, 9574004), (4, 4787002), (8, 2393501), (11, 1740728), (22, 870364), (44, 435182), (88, 217591), (121, 158248), (131, 146168), (151, 126808), (242, 79124), (262, 73084), (302, 63404), (484, 39562), (524, 36542), (604, 31702), (968, 19781), (1048, 18271), (1208, 15851), (1441, 13288), (1661, 11528), (2882, 6644), (3322, 5764)]