18319408

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:841

約数の個数: 40

約数和(自身を含む): 37640448

約数和(自身を除く): 19321040

約数列:

[1, 2, 4, 8, 16, 23, 46, 67, 92, 134, 184, 268, 368, 536, 743, 1072, 1486, 1541, 2972, 3082, 5944, 6164, 11888, 12328, 17089, 24656, 34178, 49781, 68356, 99562, 136712, 199124, 273424, 398248, 796496, 1144963, 2289926, 4579852, 9159704, 18319408]

約数ペア:

[(1, 18319408), (2, 9159704), (4, 4579852), (8, 2289926), (16, 1144963), (23, 796496), (46, 398248), (67, 273424), (92, 199124), (134, 136712), (184, 99562), (268, 68356), (368, 49781), (536, 34178), (743, 24656), (1072, 17089), (1486, 12328), (1541, 11888), (2972, 6164), (3082, 5944)]