19391073

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 29108352

約数和(自身を除く): 9717279

約数列:

[1, 3, 13, 39, 41, 67, 123, 181, 201, 533, 543, 871, 1599, 2353, 2613, 2747, 7059, 7421, 8241, 12127, 22263, 35711, 36381, 96473, 107133, 157651, 289419, 472953, 497207, 1491621, 6463691, 19391073]

約数ペア:

[(1, 19391073), (3, 6463691), (13, 1491621), (39, 497207), (41, 472953), (67, 289419), (123, 157651), (181, 107133), (201, 96473), (533, 36381), (543, 35711), (871, 22263), (1599, 12127), (2353, 8241), (2613, 7421), (2747, 7059)]