1871728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 40

約数和(自身を含む): 3928320

約数和(自身を除く): 2056592

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 131, 152, 188, 262, 304, 376, 524, 752, 893, 1048, 1786, 2096, 2489, 3572, 4978, 6157, 7144, 9956, 12314, 14288, 19912, 24628, 39824, 49256, 98512, 116983, 233966, 467932, 935864, 1871728]

約数ペア:

[(1, 1871728), (2, 935864), (4, 467932), (8, 233966), (16, 116983), (19, 98512), (38, 49256), (47, 39824), (76, 24628), (94, 19912), (131, 14288), (152, 12314), (188, 9956), (262, 7144), (304, 6157), (376, 4978), (524, 3572), (752, 2489), (893, 2096), (1048, 1786)]