19497544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1487}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 20678456

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 298, 596, 1192, 1487, 1639, 2974, 3278, 5948, 6556, 11896, 13112, 16357, 32714, 65428, 130856, 221563, 443126, 886252, 1772504, 2437193, 4874386, 9748772, 19497544]

約数ペア:

[(1, 19497544), (2, 9748772), (4, 4874386), (8, 2437193), (11, 1772504), (22, 886252), (44, 443126), (88, 221563), (149, 130856), (298, 65428), (596, 32714), (1192, 16357), (1487, 13112), (1639, 11896), (2974, 6556), (3278, 5948)]