2019900520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4590683}}^1$

素因数の和:4590705

約数の個数: 32

約数和(自身を含む): 4957938720

約数和(自身を除く): 2938038200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4590683, 9181366, 18362732, 22953415, 36725464, 45906830, 50497513, 91813660, 100995026, 183627320, 201990052, 252487565, 403980104, 504975130, 1009950260, 2019900520]

約数ペア:

[(1, 2019900520), (2, 1009950260), (4, 504975130), (5, 403980104), (8, 252487565), (10, 201990052), (11, 183627320), (20, 100995026), (22, 91813660), (40, 50497513), (44, 45906830), (55, 36725464), (88, 22953415), (110, 18362732), (220, 9181366), (440, 4590683)]