18014975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 24633840

約数和(自身を除く): 6618865

約数列:

[1, 5, 11, 25, 55, 109, 275, 545, 601, 1199, 2725, 3005, 5995, 6611, 15025, 29975, 33055, 65509, 165275, 327545, 720599, 1637725, 3602995, 18014975]

約数ペア:

[(1, 18014975), (5, 3602995), (11, 1637725), (25, 720599), (55, 327545), (109, 165275), (275, 65509), (545, 33055), (601, 29975), (1199, 15025), (2725, 6611), (3005, 5995)]