19667415

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 33200640

約数和(自身を除く): 13533225

約数列:

[1, 3, 5, 15, 23, 69, 109, 115, 327, 345, 523, 545, 1569, 1635, 2507, 2615, 7521, 7845, 12029, 12535, 36087, 37605, 57007, 60145, 171021, 180435, 285035, 855105, 1311161, 3933483, 6555805, 19667415]

約数ペア:

[(1, 19667415), (3, 6555805), (5, 3933483), (15, 1311161), (23, 855105), (69, 285035), (109, 180435), (115, 171021), (327, 60145), (345, 57007), (523, 37605), (545, 36087), (1569, 12535), (1635, 12029), (2507, 7845), (2615, 7521)]