19033520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 49496832

約数和(自身を除く): 30463312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 503, 688, 860, 880, 946, 1006, 1720, 1892, 2012, 2365, 2515, 3440, 3784, 4024, 4730, 5030, 5533, 7568, 8048, 9460, 10060, 11066, 18920, 20120, 21629, 22132, 27665, 37840, 40240, 43258, 44264, 55330, 86516, 88528, 108145, 110660, 173032, 216290, 221320, 237919, 346064, 432580, 442640, 475838, 865160, 951676, 1189595, 1730320, 1903352, 2379190, 3806704, 4758380, 9516760, 19033520]

約数ペア:

[(1, 19033520), (2, 9516760), (4, 4758380), (5, 3806704), (8, 2379190), (10, 1903352), (11, 1730320), (16, 1189595), (20, 951676), (22, 865160), (40, 475838), (43, 442640), (44, 432580), (55, 346064), (80, 237919), (86, 221320), (88, 216290), (110, 173032), (172, 110660), (176, 108145), (215, 88528), (220, 86516), (344, 55330), (430, 44264), (440, 43258), (473, 40240), (503, 37840), (688, 27665), (860, 22132), (880, 21629), (946, 20120), (1006, 18920), (1720, 11066), (1892, 10060), (2012, 9460), (2365, 8048), (2515, 7568), (3440, 5533), (3784, 5030), (4024, 4730)]