18926523

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 35223552

約数和(自身を除く): 16297029

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 881, 1023, 1953, 2387, 2643, 3069, 6167, 7161, 7929, 9691, 18501, 21483, 27311, 29073, 55503, 67837, 81933, 87219, 191177, 203511, 245799, 300421, 573531, 610533, 901263, 1720593, 2102947, 2703789, 6308841, 18926523]

約数ペア:

[(1, 18926523), (3, 6308841), (7, 2703789), (9, 2102947), (11, 1720593), (21, 901263), (31, 610533), (33, 573531), (63, 300421), (77, 245799), (93, 203511), (99, 191177), (217, 87219), (231, 81933), (279, 67837), (341, 55503), (651, 29073), (693, 27311), (881, 21483), (1023, 18501), (1953, 9691), (2387, 7929), (2643, 7161), (3069, 6167)]