19780046

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 37933056

約数和(自身を除く): 18153010

約数列:

[1, 2, 11, 13, 22, 23, 26, 31, 46, 62, 97, 143, 194, 253, 286, 299, 341, 403, 506, 598, 682, 713, 806, 1067, 1261, 1426, 2134, 2231, 2522, 3007, 3289, 4433, 4462, 6014, 6578, 7843, 8866, 9269, 13871, 15686, 18538, 24541, 27742, 29003, 33077, 39091, 49082, 58006, 66154, 69161, 78182, 101959, 138322, 203918, 319033, 430001, 638066, 760771, 860002, 899093, 1521542, 1798186, 9890023, 19780046]

約数ペア:

[(1, 19780046), (2, 9890023), (11, 1798186), (13, 1521542), (22, 899093), (23, 860002), (26, 760771), (31, 638066), (46, 430001), (62, 319033), (97, 203918), (143, 138322), (194, 101959), (253, 78182), (286, 69161), (299, 66154), (341, 58006), (403, 49082), (506, 39091), (598, 33077), (682, 29003), (713, 27742), (806, 24541), (1067, 18538), (1261, 15686), (1426, 13871), (2134, 9269), (2231, 8866), (2522, 7843), (3007, 6578), (3289, 6014), (4433, 4462)]