18953465

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 4331335

約数列:

[1, 5, 83, 109, 415, 419, 545, 2095, 9047, 34777, 45235, 45671, 173885, 228355, 3790693, 18953465]

約数ペア:

[(1, 18953465), (5, 3790693), (83, 228355), (109, 173885), (415, 45671), (419, 45235), (545, 34777), (2095, 9047)]