19177120

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4133}}^1$

素因数の和:4177

約数の個数: 48

約数和(自身を含む): 46879560

約数和(自身を除く): 27702440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4133, 4640, 8266, 16532, 20665, 33064, 41330, 66128, 82660, 119857, 132256, 165320, 239714, 330640, 479428, 599285, 661280, 958856, 1198570, 1917712, 2397140, 3835424, 4794280, 9588560, 19177120]

約数ペア:

[(1, 19177120), (2, 9588560), (4, 4794280), (5, 3835424), (8, 2397140), (10, 1917712), (16, 1198570), (20, 958856), (29, 661280), (32, 599285), (40, 479428), (58, 330640), (80, 239714), (116, 165320), (145, 132256), (160, 119857), (232, 82660), (290, 66128), (464, 41330), (580, 33064), (928, 20665), (1160, 16532), (2320, 8266), (4133, 4640)]