19199978

素因数分解:

$2^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{4951}}^1$

素因数の和:5237

約数の個数: 16

約数和(自身を含む): 33039744

約数和(自身を除く): 13839766

約数列:

[1, 2, 7, 14, 277, 554, 1939, 3878, 4951, 9902, 34657, 69314, 1371427, 2742854, 9599989, 19199978]

約数ペア:

[(1, 19199978), (2, 9599989), (7, 2742854), (14, 1371427), (277, 69314), (554, 34657), (1939, 9902), (3878, 4951)]