18353440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2341}}^1$

素因数の和:2370

約数の個数: 72

約数和(自身を含む): 50460732

約数和(自身を除く): 32107292

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2341, 3920, 4682, 7840, 9364, 11705, 16387, 18728, 23410, 32774, 37456, 46820, 65548, 74912, 81935, 93640, 114709, 131096, 163870, 187280, 229418, 262192, 327740, 374560, 458836, 524384, 573545, 655480, 917672, 1147090, 1310960, 1835344, 2294180, 2621920, 3670688, 4588360, 9176720, 18353440]

約数ペア:

[(1, 18353440), (2, 9176720), (4, 4588360), (5, 3670688), (7, 2621920), (8, 2294180), (10, 1835344), (14, 1310960), (16, 1147090), (20, 917672), (28, 655480), (32, 573545), (35, 524384), (40, 458836), (49, 374560), (56, 327740), (70, 262192), (80, 229418), (98, 187280), (112, 163870), (140, 131096), (160, 114709), (196, 93640), (224, 81935), (245, 74912), (280, 65548), (392, 46820), (490, 37456), (560, 32774), (784, 23410), (980, 18728), (1120, 16387), (1568, 11705), (1960, 9364), (2341, 7840), (3920, 4682)]