18138393

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22147}}^1$

素因数の和:22173

約数の個数: 24

約数和(自身を含む): 32247488

約数和(自身を除く): 14109095

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 22147, 66441, 155029, 199323, 287911, 465087, 863733, 1395261, 2015377, 2591199, 6046131, 18138393]

約数ペア:

[(1, 18138393), (3, 6046131), (7, 2591199), (9, 2015377), (13, 1395261), (21, 863733), (39, 465087), (63, 287911), (91, 199323), (117, 155029), (273, 66441), (819, 22147)]