19709998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{977}}^1$

素因数の和:1128

約数の個数: 32

約数和(自身を含む): 37179648

約数和(自身を除く): 17469650

約数列:

[1, 2, 7, 11, 14, 22, 77, 131, 154, 262, 917, 977, 1441, 1834, 1954, 2882, 6839, 10087, 10747, 13678, 20174, 21494, 75229, 127987, 150458, 255974, 895909, 1407857, 1791818, 2815714, 9854999, 19709998]

約数ペア:

[(1, 19709998), (2, 9854999), (7, 2815714), (11, 1791818), (14, 1407857), (22, 895909), (77, 255974), (131, 150458), (154, 127987), (262, 75229), (917, 21494), (977, 20174), (1441, 13678), (1834, 10747), (1954, 10087), (2882, 6839)]