19712176

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2383}}^1$

素因数の和:2449

約数の個数: 40

約数和(自身を含む): 42568704

約数和(自身を除く): 22856528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2383, 4136, 4766, 8272, 9532, 19064, 26213, 38128, 52426, 104852, 112001, 209704, 224002, 419408, 448004, 896008, 1232011, 1792016, 2464022, 4928044, 9856088, 19712176]

約数ペア:

[(1, 19712176), (2, 9856088), (4, 4928044), (8, 2464022), (11, 1792016), (16, 1232011), (22, 896008), (44, 448004), (47, 419408), (88, 224002), (94, 209704), (176, 112001), (188, 104852), (376, 52426), (517, 38128), (752, 26213), (1034, 19064), (2068, 9532), (2383, 8272), (4136, 4766)]