18712616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7823}}^1$

素因数の和:7865

約数の個数: 32

約数和(自身を含む): 39432960

約数和(自身を除く): 20720344

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 7823, 15646, 31292, 62584, 101699, 179929, 203398, 359858, 406796, 719716, 813592, 1439432, 2339077, 4678154, 9356308, 18712616]

約数ペア:

[(1, 18712616), (2, 9356308), (4, 4678154), (8, 2339077), (13, 1439432), (23, 813592), (26, 719716), (46, 406796), (52, 359858), (92, 203398), (104, 179929), (184, 101699), (299, 62584), (598, 31292), (1196, 15646), (2392, 7823)]