18688696

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{601}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 39659760

約数和(自身を除く): 20971064

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 169, 184, 299, 338, 598, 601, 676, 1196, 1202, 1352, 2392, 2404, 3887, 4808, 7774, 7813, 13823, 15548, 15626, 27646, 31096, 31252, 55292, 62504, 101569, 110584, 179699, 203138, 359398, 406276, 718796, 812552, 1437592, 2336087, 4672174, 9344348, 18688696]

約数ペア:

[(1, 18688696), (2, 9344348), (4, 4672174), (8, 2336087), (13, 1437592), (23, 812552), (26, 718796), (46, 406276), (52, 359398), (92, 203138), (104, 179699), (169, 110584), (184, 101569), (299, 62504), (338, 55292), (598, 31252), (601, 31096), (676, 27646), (1196, 15626), (1202, 15548), (1352, 13823), (2392, 7813), (2404, 7774), (3887, 4808)]