18982172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 37836288

約数和(自身を除く): 18854116

約数列:

[1, 2, 4, 11, 22, 44, 47, 67, 94, 134, 137, 188, 268, 274, 517, 548, 737, 1034, 1474, 1507, 2068, 2948, 3014, 3149, 6028, 6298, 6439, 9179, 12596, 12878, 18358, 25756, 34639, 36716, 69278, 70829, 100969, 138556, 141658, 201938, 283316, 403876, 431413, 862826, 1725652, 4745543, 9491086, 18982172]

約数ペア:

[(1, 18982172), (2, 9491086), (4, 4745543), (11, 1725652), (22, 862826), (44, 431413), (47, 403876), (67, 283316), (94, 201938), (134, 141658), (137, 138556), (188, 100969), (268, 70829), (274, 69278), (517, 36716), (548, 34639), (737, 25756), (1034, 18358), (1474, 12878), (1507, 12596), (2068, 9179), (2948, 6439), (3014, 6298), (3149, 6028)]