19834773

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 11518059

約数列:

[1, 3, 7, 21, 53, 71, 159, 213, 251, 371, 497, 753, 1113, 1491, 1757, 3763, 5271, 11289, 13303, 17821, 26341, 39909, 53463, 79023, 93121, 124747, 279363, 374241, 944513, 2833539, 6611591, 19834773]

約数ペア:

[(1, 19834773), (3, 6611591), (7, 2833539), (21, 944513), (53, 374241), (71, 279363), (159, 124747), (213, 93121), (251, 79023), (371, 53463), (497, 39909), (753, 26341), (1113, 17821), (1491, 13303), (1757, 11289), (3763, 5271)]