18410240

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1$

素因数の和:797

約数の個数: 72

約数和(自身を含む): 46480560

約数和(自身を除く): 28070320

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, 608, 640, 757, 760, 1216, 1280, 1514, 1520, 2432, 3028, 3040, 3785, 4864, 6056, 6080, 7570, 12112, 12160, 14383, 15140, 24224, 24320, 28766, 30280, 48448, 57532, 60560, 71915, 96896, 115064, 121120, 143830, 193792, 230128, 242240, 287660, 460256, 484480, 575320, 920512, 968960, 1150640, 1841024, 2301280, 3682048, 4602560, 9205120, 18410240]

約数ペア:

[(1, 18410240), (2, 9205120), (4, 4602560), (5, 3682048), (8, 2301280), (10, 1841024), (16, 1150640), (19, 968960), (20, 920512), (32, 575320), (38, 484480), (40, 460256), (64, 287660), (76, 242240), (80, 230128), (95, 193792), (128, 143830), (152, 121120), (160, 115064), (190, 96896), (256, 71915), (304, 60560), (320, 57532), (380, 48448), (608, 30280), (640, 28766), (757, 24320), (760, 24224), (1216, 15140), (1280, 14383), (1514, 12160), (1520, 12112), (2432, 7570), (3028, 6080), (3040, 6056), (3785, 4864)]