19538004

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1279}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 48742400

約数和(自身を除く): 29204396

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 67, 76, 114, 134, 201, 228, 268, 402, 804, 1273, 1279, 2546, 2558, 3819, 3837, 5092, 5116, 7638, 7674, 15276, 15348, 24301, 48602, 72903, 85693, 97204, 145806, 171386, 257079, 291612, 342772, 514158, 1028316, 1628167, 3256334, 4884501, 6512668, 9769002, 19538004]

約数ペア:

[(1, 19538004), (2, 9769002), (3, 6512668), (4, 4884501), (6, 3256334), (12, 1628167), (19, 1028316), (38, 514158), (57, 342772), (67, 291612), (76, 257079), (114, 171386), (134, 145806), (201, 97204), (228, 85693), (268, 72903), (402, 48602), (804, 24301), (1273, 15348), (1279, 15276), (2546, 7674), (2558, 7638), (3819, 5116), (3837, 5092)]