18629120

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:425

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 28510720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 383, 512, 608, 640, 760, 766, 1216, 1280, 1520, 1532, 1915, 2432, 2560, 3040, 3064, 3830, 4864, 6080, 6128, 7277, 7660, 9728, 12160, 12256, 14554, 15320, 24320, 24512, 29108, 30640, 36385, 48640, 49024, 58216, 61280, 72770, 98048, 116432, 122560, 145540, 196096, 232864, 245120, 291080, 465728, 490240, 582160, 931456, 980480, 1164320, 1862912, 2328640, 3725824, 4657280, 9314560, 18629120]

約数ペア:

[(1, 18629120), (2, 9314560), (4, 4657280), (5, 3725824), (8, 2328640), (10, 1862912), (16, 1164320), (19, 980480), (20, 931456), (32, 582160), (38, 490240), (40, 465728), (64, 291080), (76, 245120), (80, 232864), (95, 196096), (128, 145540), (152, 122560), (160, 116432), (190, 98048), (256, 72770), (304, 61280), (320, 58216), (380, 49024), (383, 48640), (512, 36385), (608, 30640), (640, 29108), (760, 24512), (766, 24320), (1216, 15320), (1280, 14554), (1520, 12256), (1532, 12160), (1915, 9728), (2432, 7660), (2560, 7277), (3040, 6128), (3064, 6080), (3830, 4864)]