18939276

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{27689}}^1$

素因数の和:27718

約数の個数: 36

約数和(自身を含む): 50395800

約数和(自身を除く): 31456524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 27689, 55378, 83067, 110756, 166134, 249201, 332268, 498402, 526091, 996804, 1052182, 1578273, 2104364, 3156546, 4734819, 6313092, 9469638, 18939276]

約数ペア:

[(1, 18939276), (2, 9469638), (3, 6313092), (4, 4734819), (6, 3156546), (9, 2104364), (12, 1578273), (18, 1052182), (19, 996804), (36, 526091), (38, 498402), (57, 332268), (76, 249201), (114, 166134), (171, 110756), (228, 83067), (342, 55378), (684, 27689)]