18925504

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:114

約数の個数: 84

約数和(自身を含む): 43262296

約数和(自身を除く): 24336792

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 43, 46, 52, 64, 86, 92, 104, 172, 184, 208, 299, 344, 368, 416, 529, 559, 598, 688, 736, 832, 989, 1058, 1118, 1196, 1376, 1472, 1978, 2116, 2236, 2392, 2752, 3956, 4232, 4472, 4784, 6877, 7912, 8464, 8944, 9568, 12857, 13754, 15824, 16928, 17888, 19136, 22747, 25714, 27508, 31648, 33856, 35776, 45494, 51428, 55016, 63296, 90988, 102856, 110032, 181976, 205712, 220064, 295711, 363952, 411424, 440128, 591422, 727904, 822848, 1182844, 1455808, 2365688, 4731376, 9462752, 18925504]

約数ペア:

[(1, 18925504), (2, 9462752), (4, 4731376), (8, 2365688), (13, 1455808), (16, 1182844), (23, 822848), (26, 727904), (32, 591422), (43, 440128), (46, 411424), (52, 363952), (64, 295711), (86, 220064), (92, 205712), (104, 181976), (172, 110032), (184, 102856), (208, 90988), (299, 63296), (344, 55016), (368, 51428), (416, 45494), (529, 35776), (559, 33856), (598, 31648), (688, 27508), (736, 25714), (832, 22747), (989, 19136), (1058, 17888), (1118, 16928), (1196, 15824), (1376, 13754), (1472, 12857), (1978, 9568), (2116, 8944), (2236, 8464), (2392, 7912), (2752, 6877), (3956, 4784), (4232, 4472)]