18956645

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 23442048

約数和(自身を除く): 4485403

約数列:

[1, 5, 67, 71, 335, 355, 797, 3985, 4757, 23785, 53399, 56587, 266995, 282935, 3791329, 18956645]

約数ペア:

[(1, 18956645), (5, 3791329), (67, 282935), (71, 266995), (335, 56587), (355, 53399), (797, 23785), (3985, 4757)]