19498921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 2878679

約数列:

[1, 13, 19, 89, 247, 887, 1157, 1691, 11531, 16853, 21983, 78943, 219089, 1026259, 1499917, 19498921]

約数ペア:

[(1, 19498921), (13, 1499917), (19, 1026259), (89, 219089), (247, 78943), (887, 21983), (1157, 16853), (1691, 11531)]