19551147

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 33685632

約数和(自身を除く): 14134485

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 107, 113, 147, 231, 321, 339, 539, 749, 791, 1177, 1243, 1617, 2247, 2373, 3531, 3729, 5243, 5537, 8239, 8701, 12091, 15729, 16611, 24717, 26103, 36273, 57673, 60907, 84637, 133001, 173019, 182721, 253911, 399003, 592459, 931007, 1777377, 2793021, 6517049, 19551147]

約数ペア:

[(1, 19551147), (3, 6517049), (7, 2793021), (11, 1777377), (21, 931007), (33, 592459), (49, 399003), (77, 253911), (107, 182721), (113, 173019), (147, 133001), (231, 84637), (321, 60907), (339, 57673), (539, 36273), (749, 26103), (791, 24717), (1177, 16611), (1243, 15729), (1617, 12091), (2247, 8701), (2373, 8239), (3531, 5537), (3729, 5243)]