19576688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1005

約数の個数: 40

約数和(自身を含む): 40533120

約数和(自身を除く): 20956432

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 907, 1136, 1349, 1814, 2698, 3628, 5396, 7256, 10792, 14512, 17233, 21584, 34466, 64397, 68932, 128794, 137864, 257588, 275728, 515176, 1030352, 1223543, 2447086, 4894172, 9788344, 19576688]

約数ペア:

[(1, 19576688), (2, 9788344), (4, 4894172), (8, 2447086), (16, 1223543), (19, 1030352), (38, 515176), (71, 275728), (76, 257588), (142, 137864), (152, 128794), (284, 68932), (304, 64397), (568, 34466), (907, 21584), (1136, 17233), (1349, 14512), (1814, 10792), (2698, 7256), (3628, 5396)]