19481440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11069}}^1$

素因数の和:11095

約数の個数: 48

約数和(自身を含む): 50213520

約数和(自身を除く): 30732080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11069, 22138, 44276, 55345, 88552, 110690, 121759, 177104, 221380, 243518, 354208, 442760, 487036, 608795, 885520, 974072, 1217590, 1771040, 1948144, 2435180, 3896288, 4870360, 9740720, 19481440]

約数ペア:

[(1, 19481440), (2, 9740720), (4, 4870360), (5, 3896288), (8, 2435180), (10, 1948144), (11, 1771040), (16, 1217590), (20, 974072), (22, 885520), (32, 608795), (40, 487036), (44, 442760), (55, 354208), (80, 243518), (88, 221380), (110, 177104), (160, 121759), (176, 110690), (220, 88552), (352, 55345), (440, 44276), (880, 22138), (1760, 11069)]