19343560

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{1049}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 43659000

約数和(自身を除く): 24315440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1049, 1844, 2098, 2305, 3688, 4196, 4610, 5245, 8392, 9220, 10490, 18440, 20980, 41960, 483589, 967178, 1934356, 2417945, 3868712, 4835890, 9671780, 19343560]

約数ペア:

[(1, 19343560), (2, 9671780), (4, 4835890), (5, 3868712), (8, 2417945), (10, 1934356), (20, 967178), (40, 483589), (461, 41960), (922, 20980), (1049, 18440), (1844, 10490), (2098, 9220), (2305, 8392), (3688, 5245), (4196, 4610)]