18623439

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12101}}^1$

素因数の和:12132

約数の個数: 20

約数和(自身を含む): 29286840

約数和(自身を除く): 10663401

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12101, 36303, 108909, 229919, 326727, 689757, 980181, 2069271, 6207813, 18623439]

約数ペア:

[(1, 18623439), (3, 6207813), (9, 2069271), (19, 980181), (27, 689757), (57, 326727), (81, 229919), (171, 108909), (513, 36303), (1539, 12101)]