17908640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 45904320

約数和(自身を除く): 27995680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 137, 152, 160, 172, 190, 215, 274, 304, 344, 380, 430, 548, 608, 685, 688, 760, 817, 860, 1096, 1370, 1376, 1520, 1634, 1720, 2192, 2603, 2740, 3040, 3268, 3440, 4085, 4384, 5206, 5480, 5891, 6536, 6880, 8170, 10412, 10960, 11782, 13015, 13072, 16340, 20824, 21920, 23564, 26030, 26144, 29455, 32680, 41648, 47128, 52060, 58910, 65360, 83296, 94256, 104120, 111929, 117820, 130720, 188512, 208240, 223858, 235640, 416480, 447716, 471280, 559645, 895432, 942560, 1119290, 1790864, 2238580, 3581728, 4477160, 8954320, 17908640]

約数ペア:

[(1, 17908640), (2, 8954320), (4, 4477160), (5, 3581728), (8, 2238580), (10, 1790864), (16, 1119290), (19, 942560), (20, 895432), (32, 559645), (38, 471280), (40, 447716), (43, 416480), (76, 235640), (80, 223858), (86, 208240), (95, 188512), (137, 130720), (152, 117820), (160, 111929), (172, 104120), (190, 94256), (215, 83296), (274, 65360), (304, 58910), (344, 52060), (380, 47128), (430, 41648), (548, 32680), (608, 29455), (685, 26144), (688, 26030), (760, 23564), (817, 21920), (860, 20824), (1096, 16340), (1370, 13072), (1376, 13015), (1520, 11782), (1634, 10960), (1720, 10412), (2192, 8170), (2603, 6880), (2740, 6536), (3040, 5891), (3268, 5480), (3440, 5206), (4085, 4384)]