19284760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1069}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 48535200

約数和(自身を除く): 29250440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1069, 1640, 1804, 2138, 2255, 3608, 4276, 4510, 5345, 8552, 9020, 10690, 11759, 18040, 21380, 23518, 42760, 43829, 47036, 58795, 87658, 94072, 117590, 175316, 219145, 235180, 350632, 438290, 470360, 482119, 876580, 964238, 1753160, 1928476, 2410595, 3856952, 4821190, 9642380, 19284760]

約数ペア:

[(1, 19284760), (2, 9642380), (4, 4821190), (5, 3856952), (8, 2410595), (10, 1928476), (11, 1753160), (20, 964238), (22, 876580), (40, 482119), (41, 470360), (44, 438290), (55, 350632), (82, 235180), (88, 219145), (110, 175316), (164, 117590), (205, 94072), (220, 87658), (328, 58795), (410, 47036), (440, 43829), (451, 42760), (820, 23518), (902, 21380), (1069, 18040), (1640, 11759), (1804, 10690), (2138, 9020), (2255, 8552), (3608, 5345), (4276, 4510)]