18578048

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{7639}}^1$

素因数の和:7672

約数の個数: 32

約数和(自身を含む): 38964000

約数和(自身を除く): 20385952

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 7639, 15278, 30556, 61112, 122224, 145141, 244448, 290282, 488896, 580564, 977792, 1161128, 2322256, 4644512, 9289024, 18578048]

約数ペア:

[(1, 18578048), (2, 9289024), (4, 4644512), (8, 2322256), (16, 1161128), (19, 977792), (32, 580564), (38, 488896), (64, 290282), (76, 244448), (128, 145141), (152, 122224), (304, 61112), (608, 30556), (1216, 15278), (2432, 7639)]