18721469

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 20889792

約数和(自身を除く): 2168323

約数列:

[1, 13, 43, 107, 313, 559, 1391, 4069, 4601, 13459, 33491, 59813, 174967, 435383, 1440113, 18721469]

約数ペア:

[(1, 18721469), (13, 1440113), (43, 435383), (107, 174967), (313, 59813), (559, 33491), (1391, 13459), (4069, 4601)]