18884480

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1591

約数の個数: 64

約数和(自身を含む): 47552400

約数和(自身を除く): 28667920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 1553, 2432, 3040, 3106, 6080, 6212, 7765, 12160, 12424, 15530, 24848, 29507, 31060, 49696, 59014, 62120, 99392, 118028, 124240, 147535, 198784, 236056, 248480, 295070, 472112, 496960, 590140, 944224, 993920, 1180280, 1888448, 2360560, 3776896, 4721120, 9442240, 18884480]

約数ペア:

[(1, 18884480), (2, 9442240), (4, 4721120), (5, 3776896), (8, 2360560), (10, 1888448), (16, 1180280), (19, 993920), (20, 944224), (32, 590140), (38, 496960), (40, 472112), (64, 295070), (76, 248480), (80, 236056), (95, 198784), (128, 147535), (152, 124240), (160, 118028), (190, 99392), (304, 62120), (320, 59014), (380, 49696), (608, 31060), (640, 29507), (760, 24848), (1216, 15530), (1520, 12424), (1553, 12160), (2432, 7765), (3040, 6212), (3106, 6080)]