18937334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{15497}}^1$

素因数の和:15559

約数の個数: 16

約数和(自身を含む): 31243968

約数和(自身を除く): 12306634

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 15497, 30994, 201461, 402922, 728359, 1456718, 9468667, 18937334]

約数ペア:

[(1, 18937334), (2, 9468667), (13, 1456718), (26, 728359), (47, 402922), (94, 201461), (611, 30994), (1222, 15497)]