18082911

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 31321728

約数和(自身を除く): 13238817

約数列:

[1, 3, 7, 11, 21, 33, 49, 53, 77, 147, 159, 211, 231, 371, 539, 583, 633, 1113, 1477, 1617, 1749, 2321, 2597, 4081, 4431, 6963, 7791, 10339, 11183, 12243, 16247, 28567, 31017, 33549, 48741, 78281, 85701, 113729, 123013, 234843, 341187, 369039, 547967, 861091, 1643901, 2583273, 6027637, 18082911]

約数ペア:

[(1, 18082911), (3, 6027637), (7, 2583273), (11, 1643901), (21, 861091), (33, 547967), (49, 369039), (53, 341187), (77, 234843), (147, 123013), (159, 113729), (211, 85701), (231, 78281), (371, 48741), (539, 33549), (583, 31017), (633, 28567), (1113, 16247), (1477, 12243), (1617, 11183), (1749, 10339), (2321, 7791), (2597, 6963), (4081, 4431)]