19284354

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 44460000

約数和(自身を除く): 25175646

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 113, 114, 171, 226, 339, 342, 499, 678, 998, 1017, 1497, 2034, 2147, 2994, 4294, 4491, 6441, 8982, 9481, 12882, 18962, 19323, 28443, 38646, 56387, 56886, 85329, 112774, 169161, 170658, 338322, 507483, 1014966, 1071353, 2142706, 3214059, 6428118, 9642177, 19284354]

約数ペア:

[(1, 19284354), (2, 9642177), (3, 6428118), (6, 3214059), (9, 2142706), (18, 1071353), (19, 1014966), (38, 507483), (57, 338322), (113, 170658), (114, 169161), (171, 112774), (226, 85329), (339, 56886), (342, 56387), (499, 38646), (678, 28443), (998, 19323), (1017, 18962), (1497, 12882), (2034, 9481), (2147, 8982), (2994, 6441), (4294, 4491)]