18839688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{883}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 54312960

約数和(自身を除く): 35473272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 883, 889, 1016, 1524, 1766, 1778, 2649, 2667, 3048, 3532, 3556, 5298, 5334, 6181, 7064, 7112, 10596, 10668, 12362, 18543, 21192, 21336, 24724, 37086, 49448, 74172, 112141, 148344, 224282, 336423, 448564, 672846, 784987, 897128, 1345692, 1569974, 2354961, 2691384, 3139948, 4709922, 6279896, 9419844, 18839688]

約数ペア:

[(1, 18839688), (2, 9419844), (3, 6279896), (4, 4709922), (6, 3139948), (7, 2691384), (8, 2354961), (12, 1569974), (14, 1345692), (21, 897128), (24, 784987), (28, 672846), (42, 448564), (56, 336423), (84, 224282), (127, 148344), (168, 112141), (254, 74172), (381, 49448), (508, 37086), (762, 24724), (883, 21336), (889, 21192), (1016, 18543), (1524, 12362), (1766, 10668), (1778, 10596), (2649, 7112), (2667, 7064), (3048, 6181), (3532, 5334), (3556, 5298)]