18744115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16963}}^1$

素因数の和:16998

約数の個数: 16

約数和(自身を含む): 25649568

約数和(自身を除く): 6905453

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 16963, 84815, 220519, 288371, 1102595, 1441855, 3748823, 18744115]

約数ペア:

[(1, 18744115), (5, 3748823), (13, 1441855), (17, 1102595), (65, 288371), (85, 220519), (221, 84815), (1105, 16963)]