19028820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13789}}^1$

素因数の和:13824

約数の個数: 48

約数和(自身を含む): 55601280

約数和(自身を除く): 36572460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13789, 27578, 41367, 55156, 68945, 82734, 137890, 165468, 206835, 275780, 317147, 413670, 634294, 827340, 951441, 1268588, 1585735, 1902882, 3171470, 3805764, 4757205, 6342940, 9514410, 19028820]

約数ペア:

[(1, 19028820), (2, 9514410), (3, 6342940), (4, 4757205), (5, 3805764), (6, 3171470), (10, 1902882), (12, 1585735), (15, 1268588), (20, 951441), (23, 827340), (30, 634294), (46, 413670), (60, 317147), (69, 275780), (92, 206835), (115, 165468), (138, 137890), (230, 82734), (276, 68945), (345, 55156), (460, 41367), (690, 27578), (1380, 13789)]