18889312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2671}}^1$

素因数の和:2711

約数の個数: 48

約数和(自身を含む): 42420672

約数和(自身を除く): 23531360

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 2671, 3536, 5342, 7072, 10684, 21368, 34723, 42736, 45407, 69446, 85472, 90814, 138892, 181628, 277784, 363256, 555568, 590291, 726512, 1111136, 1180582, 1453024, 2361164, 4722328, 9444656, 18889312]

約数ペア:

[(1, 18889312), (2, 9444656), (4, 4722328), (8, 2361164), (13, 1453024), (16, 1180582), (17, 1111136), (26, 726512), (32, 590291), (34, 555568), (52, 363256), (68, 277784), (104, 181628), (136, 138892), (208, 90814), (221, 85472), (272, 69446), (416, 45407), (442, 42736), (544, 34723), (884, 21368), (1768, 10684), (2671, 7072), (3536, 5342)]