18439120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1733}}^1$

素因数の和:1772

約数の個数: 80

約数和(自身を含む): 51603840

約数和(自身を除く): 33164720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 1733, 2128, 2660, 3466, 5320, 6932, 8665, 10640, 12131, 13864, 17330, 24262, 27728, 32927, 34660, 48524, 60655, 65854, 69320, 97048, 121310, 131708, 138640, 164635, 194096, 230489, 242620, 263416, 329270, 460978, 485240, 526832, 658540, 921956, 970480, 1152445, 1317080, 1843912, 2304890, 2634160, 3687824, 4609780, 9219560, 18439120]

約数ペア:

[(1, 18439120), (2, 9219560), (4, 4609780), (5, 3687824), (7, 2634160), (8, 2304890), (10, 1843912), (14, 1317080), (16, 1152445), (19, 970480), (20, 921956), (28, 658540), (35, 526832), (38, 485240), (40, 460978), (56, 329270), (70, 263416), (76, 242620), (80, 230489), (95, 194096), (112, 164635), (133, 138640), (140, 131708), (152, 121310), (190, 97048), (266, 69320), (280, 65854), (304, 60655), (380, 48524), (532, 34660), (560, 32927), (665, 27728), (760, 24262), (1064, 17330), (1330, 13864), (1520, 12131), (1733, 10640), (2128, 8665), (2660, 6932), (3466, 5320)]