18908673

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 10859007

約数列:

[1, 3, 7, 21, 67, 89, 151, 201, 267, 453, 469, 623, 1057, 1407, 1869, 3171, 5963, 10117, 13439, 17889, 30351, 40317, 41741, 70819, 94073, 125223, 212457, 282219, 900413, 2701239, 6302891, 18908673]

約数ペア:

[(1, 18908673), (3, 6302891), (7, 2701239), (21, 900413), (67, 282219), (89, 212457), (151, 125223), (201, 94073), (267, 70819), (453, 41741), (469, 40317), (623, 30351), (1057, 17889), (1407, 13439), (1869, 10117), (3171, 5963)]