18148021

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 19835200

約数和(自身を除く): 1687179

約数列:

[1, 19, 43, 97, 229, 817, 1843, 4171, 4351, 9847, 22213, 79249, 187093, 422047, 955159, 18148021]

約数ペア:

[(1, 18148021), (19, 955159), (43, 422047), (97, 187093), (229, 79249), (817, 22213), (1843, 9847), (4171, 4351)]