19910312

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 38326080

約数和(自身を除く): 18415768

約数列:

[1, 2, 4, 8, 73, 103, 146, 206, 292, 331, 412, 584, 662, 824, 1324, 2648, 7519, 15038, 24163, 30076, 34093, 48326, 60152, 68186, 96652, 136372, 193304, 272744, 2488789, 4977578, 9955156, 19910312]

約数ペア:

[(1, 19910312), (2, 9955156), (4, 4977578), (8, 2488789), (73, 272744), (103, 193304), (146, 136372), (206, 96652), (292, 68186), (331, 60152), (412, 48326), (584, 34093), (662, 30076), (824, 24163), (1324, 15038), (2648, 7519)]