18773690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{144413}}^1$

素因数の和:144433

約数の個数: 16

約数和(自身を含む): 36392328

約数和(自身を除く): 17618638

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 144413, 288826, 722065, 1444130, 1877369, 3754738, 9386845, 18773690]

約数ペア:

[(1, 18773690), (2, 9386845), (5, 3754738), (10, 1877369), (13, 1444130), (26, 722065), (65, 288826), (130, 144413)]