19916152

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 38494800

約数和(自身を除く): 18578648

約数列:

[1, 2, 4, 8, 67, 73, 134, 146, 268, 292, 509, 536, 584, 1018, 2036, 4072, 4891, 9782, 19564, 34103, 37157, 39128, 68206, 74314, 136412, 148628, 272824, 297256, 2489519, 4979038, 9958076, 19916152]

約数ペア:

[(1, 19916152), (2, 9958076), (4, 4979038), (8, 2489519), (67, 297256), (73, 272824), (134, 148628), (146, 136412), (268, 74314), (292, 68206), (509, 39128), (536, 37157), (584, 34103), (1018, 19564), (2036, 9782), (4072, 4891)]