18999656

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 22126744

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 47, 52, 92, 94, 104, 169, 184, 188, 299, 338, 376, 598, 611, 676, 1081, 1196, 1222, 1352, 2162, 2197, 2392, 2444, 3887, 4324, 4394, 4888, 7774, 7943, 8648, 8788, 14053, 15548, 15886, 17576, 28106, 31096, 31772, 50531, 56212, 63544, 101062, 103259, 112424, 182689, 202124, 206518, 365378, 404248, 413036, 730756, 826072, 1461512, 2374957, 4749914, 9499828, 18999656]

約数ペア:

[(1, 18999656), (2, 9499828), (4, 4749914), (8, 2374957), (13, 1461512), (23, 826072), (26, 730756), (46, 413036), (47, 404248), (52, 365378), (92, 206518), (94, 202124), (104, 182689), (169, 112424), (184, 103259), (188, 101062), (299, 63544), (338, 56212), (376, 50531), (598, 31772), (611, 31096), (676, 28106), (1081, 17576), (1196, 15886), (1222, 15548), (1352, 14053), (2162, 8788), (2197, 8648), (2392, 7943), (2444, 7774), (3887, 4888), (4324, 4394)]