18198862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 30855168

約数和(自身を除く): 12656306

約数列:

[1, 2, 11, 22, 61, 71, 122, 142, 191, 382, 671, 781, 1342, 1562, 2101, 4202, 4331, 8662, 11651, 13561, 23302, 27122, 47641, 95282, 128161, 149171, 256322, 298342, 827221, 1654442, 9099431, 18198862]

約数ペア:

[(1, 18198862), (2, 9099431), (11, 1654442), (22, 827221), (61, 298342), (71, 256322), (122, 149171), (142, 128161), (191, 95282), (382, 47641), (671, 27122), (781, 23302), (1342, 13561), (1562, 11651), (2101, 8662), (4202, 4331)]