19796917

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3167}}^1$

素因数の和:3240

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 4533323

約数列:

[1, 7, 19, 47, 133, 329, 893, 3167, 6251, 22169, 60173, 148849, 421211, 1041943, 2828131, 19796917]

約数ペア:

[(1, 19796917), (7, 2828131), (19, 1041943), (47, 421211), (133, 148849), (329, 60173), (893, 22169), (3167, 6251)]