16869890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{54419}}^1$

素因数の和:54457

約数の個数: 16

約数和(自身を含む): 31345920

約数和(自身を除く): 14476030

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 54419, 108838, 272095, 544190, 1686989, 3373978, 8434945, 16869890]

約数ペア:

[(1, 16869890), (2, 8434945), (5, 3373978), (10, 1686989), (31, 544190), (62, 272095), (155, 108838), (310, 54419)]