19608520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13249}}^1$

素因数の和:13297

約数の個数: 32

約数和(自身を含む): 45315000

約数和(自身を除く): 25706480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13249, 26498, 52996, 66245, 105992, 132490, 264980, 490213, 529960, 980426, 1960852, 2451065, 3921704, 4902130, 9804260, 19608520]

約数ペア:

[(1, 19608520), (2, 9804260), (4, 4902130), (5, 3921704), (8, 2451065), (10, 1960852), (20, 980426), (37, 529960), (40, 490213), (74, 264980), (148, 132490), (185, 105992), (296, 66245), (370, 52996), (740, 26498), (1480, 13249)]