19513214

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 15032962

約数列:

[1, 2, 7, 14, 67, 71, 134, 142, 293, 469, 497, 586, 938, 994, 2051, 4102, 4757, 9514, 19631, 20803, 33299, 39262, 41606, 66598, 137417, 145621, 274834, 291242, 1393801, 2787602, 9756607, 19513214]

約数ペア:

[(1, 19513214), (2, 9756607), (7, 2787602), (14, 1393801), (67, 291242), (71, 274834), (134, 145621), (142, 137417), (293, 66598), (469, 41606), (497, 39262), (586, 33299), (938, 20803), (994, 19631), (2051, 9514), (4102, 4757)]