18736718

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 19970482

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 191, 286, 343, 382, 539, 637, 686, 1001, 1078, 1274, 1337, 2002, 2101, 2483, 2674, 3773, 4202, 4459, 4966, 7007, 7546, 8918, 9359, 14014, 14707, 17381, 18718, 27313, 29414, 34762, 49049, 54626, 65513, 98098, 102949, 121667, 131026, 191191, 205898, 243334, 382382, 720643, 851669, 1338337, 1441286, 1703338, 2676674, 9368359, 18736718]

約数ペア:

[(1, 18736718), (2, 9368359), (7, 2676674), (11, 1703338), (13, 1441286), (14, 1338337), (22, 851669), (26, 720643), (49, 382382), (77, 243334), (91, 205898), (98, 191191), (143, 131026), (154, 121667), (182, 102949), (191, 98098), (286, 65513), (343, 54626), (382, 49049), (539, 34762), (637, 29414), (686, 27313), (1001, 18718), (1078, 17381), (1274, 14707), (1337, 14014), (2002, 9359), (2101, 8918), (2483, 7546), (2674, 7007), (3773, 4966), (4202, 4459)]