19474945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 9265151

約数列:

[1, 5, 7, 17, 35, 71, 85, 119, 355, 461, 497, 595, 1207, 2305, 2485, 3227, 6035, 7837, 8449, 16135, 32731, 39185, 42245, 54859, 163655, 229117, 274295, 556427, 1145585, 2782135, 3894989, 19474945]

約数ペア:

[(1, 19474945), (5, 3894989), (7, 2782135), (17, 1145585), (35, 556427), (71, 274295), (85, 229117), (119, 163655), (355, 54859), (461, 42245), (497, 39185), (595, 32731), (1207, 16135), (2305, 8449), (2485, 7837), (3227, 6035)]