19631830

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{547}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 36733536

約数和(自身を除く): 17101706

約数列:

[1, 2, 5, 10, 37, 74, 97, 185, 194, 370, 485, 547, 970, 1094, 2735, 3589, 5470, 7178, 17945, 20239, 35890, 40478, 53059, 101195, 106118, 202390, 265295, 530590, 1963183, 3926366, 9815915, 19631830]

約数ペア:

[(1, 19631830), (2, 9815915), (5, 3926366), (10, 1963183), (37, 530590), (74, 265295), (97, 202390), (185, 106118), (194, 101195), (370, 53059), (485, 40478), (547, 35890), (970, 20239), (1094, 17945), (2735, 7178), (3589, 5470)]