19400451

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 32329728

約数和(自身を除く): 12929277

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 1753, 3689, 5259, 11067, 12271, 29801, 36813, 54343, 89403, 163029, 208607, 380401, 625821, 923831, 1141203, 2771493, 6466817, 19400451]

約数ペア:

[(1, 19400451), (3, 6466817), (7, 2771493), (17, 1141203), (21, 923831), (31, 625821), (51, 380401), (93, 208607), (119, 163029), (217, 89403), (357, 54343), (527, 36813), (651, 29801), (1581, 12271), (1753, 11067), (3689, 5259)]