1893990410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{393761}}^1$

素因数の和:393818

約数の個数: 32

約数和(自身を含む): 3770664912

約数和(自身を除く): 1876674502

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 393761, 787522, 1968805, 3937610, 5118893, 10237786, 14569157, 25594465, 29138314, 51188930, 72845785, 145691570, 189399041, 378798082, 946995205, 1893990410]

約数ペア:

[(1, 1893990410), (2, 946995205), (5, 378798082), (10, 189399041), (13, 145691570), (26, 72845785), (37, 51188930), (65, 29138314), (74, 25594465), (130, 14569157), (185, 10237786), (370, 5118893), (481, 3937610), (962, 1968805), (2405, 787522), (4810, 393761)]