19990616

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1033}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 39085200

約数和(自身を除く): 19094584

約数列:

[1, 2, 4, 8, 41, 59, 82, 118, 164, 236, 328, 472, 1033, 2066, 2419, 4132, 4838, 8264, 9676, 19352, 42353, 60947, 84706, 121894, 169412, 243788, 338824, 487576, 2498827, 4997654, 9995308, 19990616]

約数ペア:

[(1, 19990616), (2, 9995308), (4, 4997654), (8, 2498827), (41, 487576), (59, 338824), (82, 243788), (118, 169412), (164, 121894), (236, 84706), (328, 60947), (472, 42353), (1033, 19352), (2066, 9676), (2419, 8264), (4132, 4838)]