19908292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2137}}^1$

素因数の和:2295

約数の個数: 24

約数和(自身を含む): 37175544

約数和(自身を除く): 17267252

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2137, 2329, 4274, 4658, 8548, 9316, 36329, 72658, 145316, 292769, 585538, 1171076, 4977073, 9954146, 19908292]

約数ペア:

[(1, 19908292), (2, 9954146), (4, 4977073), (17, 1171076), (34, 585538), (68, 292769), (137, 145316), (274, 72658), (548, 36329), (2137, 9316), (2329, 8548), (4274, 4658)]