19961337

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 30139776

約数和(自身を除く): 10178439

約数列:

[1, 3, 11, 33, 53, 101, 113, 159, 303, 339, 583, 1111, 1243, 1749, 3333, 3729, 5353, 5989, 11413, 16059, 17967, 34239, 58883, 65879, 125543, 176649, 197637, 376629, 604889, 1814667, 6653779, 19961337]

約数ペア:

[(1, 19961337), (3, 6653779), (11, 1814667), (33, 604889), (53, 376629), (101, 197637), (113, 176649), (159, 125543), (303, 65879), (339, 58883), (583, 34239), (1111, 17967), (1243, 16059), (1749, 11413), (3333, 5989), (3729, 5353)]