18421286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16477}}^1$

素因数の和:16535

約数の個数: 16

約数和(自身を含む): 30451344

約数和(自身を除く): 12030058

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 16477, 32954, 214201, 428402, 708511, 1417022, 9210643, 18421286]

約数ペア:

[(1, 18421286), (2, 9210643), (13, 1417022), (26, 708511), (43, 428402), (86, 214201), (559, 32954), (1118, 16477)]