18861507224

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1879}}^1\times {\mathrm{2269}}^1$

素因数の和:4240

約数の個数: 64

約数和(自身を含む): 40968960000

約数和(自身を除く): 22107452776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 1879, 2212, 2269, 3758, 4424, 4538, 7516, 9076, 13153, 15032, 15883, 18152, 26306, 31766, 52612, 63532, 105224, 127064, 148441, 179251, 296882, 358502, 593764, 717004, 1039087, 1187528, 1254757, 1434008, 2078174, 2509514, 4156348, 4263451, 5019028, 8312696, 8526902, 10038056, 17053804, 29844157, 34107608, 59688314, 119376628, 238753256, 336812629, 673625258, 1347250516, 2357688403, 2694501032, 4715376806, 9430753612, 18861507224]

約数ペア:

[(1, 18861507224), (2, 9430753612), (4, 4715376806), (7, 2694501032), (8, 2357688403), (14, 1347250516), (28, 673625258), (56, 336812629), (79, 238753256), (158, 119376628), (316, 59688314), (553, 34107608), (632, 29844157), (1106, 17053804), (1879, 10038056), (2212, 8526902), (2269, 8312696), (3758, 5019028), (4424, 4263451), (4538, 4156348), (7516, 2509514), (9076, 2078174), (13153, 1434008), (15032, 1254757), (15883, 1187528), (18152, 1039087), (26306, 717004), (31766, 593764), (52612, 358502), (63532, 296882), (105224, 179251), (127064, 148441)]