19546772

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^2\times {\mathrm{131}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 39938976

約数和(自身を除く): 20392204

約数列:

[1, 2, 4, 7, 14, 28, 73, 131, 146, 262, 292, 511, 524, 917, 1022, 1834, 2044, 3668, 5329, 9563, 10658, 19126, 21316, 37303, 38252, 66941, 74606, 133882, 149212, 267764, 698099, 1396198, 2792396, 4886693, 9773386, 19546772]

約数ペア:

[(1, 19546772), (2, 9773386), (4, 4886693), (7, 2792396), (14, 1396198), (28, 698099), (73, 267764), (131, 149212), (146, 133882), (262, 74606), (292, 66941), (511, 38252), (524, 37303), (917, 21316), (1022, 19126), (1834, 10658), (2044, 9563), (3668, 5329)]