18448001

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 4776319

約数列:

[1, 11, 13, 23, 71, 79, 143, 253, 299, 781, 869, 923, 1027, 1633, 1817, 3289, 5609, 10153, 11297, 17963, 19987, 21229, 23621, 61699, 72917, 129007, 233519, 259831, 802087, 1419077, 1677091, 18448001]

約数ペア:

[(1, 18448001), (11, 1677091), (13, 1419077), (23, 802087), (71, 259831), (79, 233519), (143, 129007), (253, 72917), (299, 61699), (781, 23621), (869, 21229), (923, 19987), (1027, 17963), (1633, 11297), (1817, 10153), (3289, 5609)]