19857489

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 29635200

約数和(自身を除く): 9777711

約数列:

[1, 3, 19, 29, 41, 57, 87, 123, 293, 551, 779, 879, 1189, 1653, 2337, 3567, 5567, 8497, 12013, 16701, 22591, 25491, 36039, 67773, 161443, 228247, 348377, 484329, 684741, 1045131, 6619163, 19857489]

約数ペア:

[(1, 19857489), (3, 6619163), (19, 1045131), (29, 684741), (41, 484329), (57, 348377), (87, 228247), (123, 161443), (293, 67773), (551, 36039), (779, 25491), (879, 22591), (1189, 16701), (1653, 12013), (2337, 8497), (3567, 5567)]