19695728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{179}}^1$

素因数の和:246

約数の個数: 60

約数和(自身を含む): 43200360

約数和(自身を除く): 23504632

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 179, 184, 208, 299, 358, 368, 529, 598, 716, 1058, 1196, 1432, 2116, 2327, 2392, 2864, 4117, 4232, 4654, 4784, 6877, 8234, 8464, 9308, 13754, 16468, 18616, 27508, 32936, 37232, 53521, 55016, 65872, 94691, 107042, 110032, 189382, 214084, 378764, 428168, 757528, 856336, 1230983, 1515056, 2461966, 4923932, 9847864, 19695728]

約数ペア:

[(1, 19695728), (2, 9847864), (4, 4923932), (8, 2461966), (13, 1515056), (16, 1230983), (23, 856336), (26, 757528), (46, 428168), (52, 378764), (92, 214084), (104, 189382), (179, 110032), (184, 107042), (208, 94691), (299, 65872), (358, 55016), (368, 53521), (529, 37232), (598, 32936), (716, 27508), (1058, 18616), (1196, 16468), (1432, 13754), (2116, 9308), (2327, 8464), (2392, 8234), (2864, 6877), (4117, 4784), (4232, 4654)]