19822816

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2803}}^1$

素因数の和:2843

約数の個数: 48

約数和(自身を含む): 44516304

約数和(自身を除く): 24693488

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2803, 3536, 5606, 7072, 11212, 22424, 36439, 44848, 47651, 72878, 89696, 95302, 145756, 190604, 291512, 381208, 583024, 619463, 762416, 1166048, 1238926, 1524832, 2477852, 4955704, 9911408, 19822816]

約数ペア:

[(1, 19822816), (2, 9911408), (4, 4955704), (8, 2477852), (13, 1524832), (16, 1238926), (17, 1166048), (26, 762416), (32, 619463), (34, 583024), (52, 381208), (68, 291512), (104, 190604), (136, 145756), (208, 95302), (221, 89696), (272, 72878), (416, 47651), (442, 44848), (544, 36439), (884, 22424), (1768, 11212), (2803, 7072), (3536, 5606)]