19927710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20129}}^1$

素因数の和:20153

約数の個数: 48

約数和(自身を含む): 56525040

約数和(自身を除く): 36597330

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20129, 40258, 60387, 100645, 120774, 181161, 201290, 221419, 301935, 362322, 442838, 603870, 664257, 905805, 1107095, 1328514, 1811610, 1992771, 2214190, 3321285, 3985542, 6642570, 9963855, 19927710]

約数ペア:

[(1, 19927710), (2, 9963855), (3, 6642570), (5, 3985542), (6, 3321285), (9, 2214190), (10, 1992771), (11, 1811610), (15, 1328514), (18, 1107095), (22, 905805), (30, 664257), (33, 603870), (45, 442838), (55, 362322), (66, 301935), (90, 221419), (99, 201290), (110, 181161), (165, 120774), (198, 100645), (330, 60387), (495, 40258), (990, 20129)]