19747376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 44595360

約数和(自身を除く): 24847984

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 53, 58, 73, 88, 106, 116, 146, 176, 212, 232, 292, 319, 424, 464, 583, 584, 638, 803, 848, 1166, 1168, 1276, 1537, 1606, 2117, 2332, 2552, 3074, 3212, 3869, 4234, 4664, 5104, 6148, 6424, 7738, 8468, 9328, 12296, 12848, 15476, 16907, 16936, 23287, 24592, 30952, 33814, 33872, 42559, 46574, 61904, 67628, 85118, 93148, 112201, 135256, 170236, 186296, 224402, 270512, 340472, 372592, 448804, 680944, 897608, 1234211, 1795216, 2468422, 4936844, 9873688, 19747376]

約数ペア:

[(1, 19747376), (2, 9873688), (4, 4936844), (8, 2468422), (11, 1795216), (16, 1234211), (22, 897608), (29, 680944), (44, 448804), (53, 372592), (58, 340472), (73, 270512), (88, 224402), (106, 186296), (116, 170236), (146, 135256), (176, 112201), (212, 93148), (232, 85118), (292, 67628), (319, 61904), (424, 46574), (464, 42559), (583, 33872), (584, 33814), (638, 30952), (803, 24592), (848, 23287), (1166, 16936), (1168, 16907), (1276, 15476), (1537, 12848), (1606, 12296), (2117, 9328), (2332, 8468), (2552, 7738), (3074, 6424), (3212, 6148), (3869, 5104), (4234, 4664)]