18786516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 53760000

約数和(自身を除く): 34973484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 79, 84, 114, 133, 149, 158, 228, 237, 266, 298, 316, 399, 447, 474, 532, 553, 596, 798, 894, 948, 1043, 1106, 1501, 1596, 1659, 1788, 2086, 2212, 2831, 3002, 3129, 3318, 4172, 4503, 5662, 6004, 6258, 6636, 8493, 9006, 10507, 11324, 11771, 12516, 16986, 18012, 19817, 21014, 23542, 31521, 33972, 35313, 39634, 42028, 47084, 59451, 63042, 70626, 79268, 82397, 118902, 126084, 141252, 164794, 223649, 237804, 247191, 329588, 447298, 494382, 670947, 894596, 988764, 1341894, 1565543, 2683788, 3131086, 4696629, 6262172, 9393258, 18786516]

約数ペア:

[(1, 18786516), (2, 9393258), (3, 6262172), (4, 4696629), (6, 3131086), (7, 2683788), (12, 1565543), (14, 1341894), (19, 988764), (21, 894596), (28, 670947), (38, 494382), (42, 447298), (57, 329588), (76, 247191), (79, 237804), (84, 223649), (114, 164794), (133, 141252), (149, 126084), (158, 118902), (228, 82397), (237, 79268), (266, 70626), (298, 63042), (316, 59451), (399, 47084), (447, 42028), (474, 39634), (532, 35313), (553, 33972), (596, 31521), (798, 23542), (894, 21014), (948, 19817), (1043, 18012), (1106, 16986), (1501, 12516), (1596, 11771), (1659, 11324), (1788, 10507), (2086, 9006), (2212, 8493), (2831, 6636), (3002, 6258), (3129, 6004), (3318, 5662), (4172, 4503)]