19994594

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1013}}^1$

素因数の和:1225

約数の個数: 16

約数和(自身を含む): 30663360

約数和(自身を除く): 10668766

約数列:

[1, 2, 71, 139, 142, 278, 1013, 2026, 9869, 19738, 71923, 140807, 143846, 281614, 9997297, 19994594]

約数ペア:

[(1, 19994594), (2, 9997297), (71, 281614), (139, 143846), (142, 140807), (278, 71923), (1013, 19738), (2026, 9869)]