18131516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4201}}^1$

素因数の和:4301

約数の個数: 24

約数和(自身を含む): 34590864

約数和(自身を除く): 16459348

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4201, 4316, 8402, 16804, 54613, 109226, 218452, 348683, 697366, 1394732, 4532879, 9065758, 18131516]

約数ペア:

[(1, 18131516), (2, 9065758), (4, 4532879), (13, 1394732), (26, 697366), (52, 348683), (83, 218452), (166, 109226), (332, 54613), (1079, 16804), (2158, 8402), (4201, 4316)]