18894392

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 39501000

約数和(自身を除く): 20606608

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 131, 149, 242, 262, 298, 484, 524, 596, 968, 1048, 1192, 1441, 1639, 2882, 3278, 5764, 6556, 11528, 13112, 15851, 18029, 19519, 31702, 36058, 39038, 63404, 72116, 78076, 126808, 144232, 156152, 214709, 429418, 858836, 1717672, 2361799, 4723598, 9447196, 18894392]

約数ペア:

[(1, 18894392), (2, 9447196), (4, 4723598), (8, 2361799), (11, 1717672), (22, 858836), (44, 429418), (88, 214709), (121, 156152), (131, 144232), (149, 126808), (242, 78076), (262, 72116), (298, 63404), (484, 39038), (524, 36058), (596, 31702), (968, 19519), (1048, 18029), (1192, 15851), (1441, 13112), (1639, 11528), (2882, 6556), (3278, 5764)]