18195190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2089}}^1$

素因数の和:2176

約数の個数: 32

約数和(自身を含む): 35814240

約数和(自身を除く): 17619050

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2089, 4178, 4355, 8710, 10445, 20890, 27157, 54314, 135785, 139963, 271570, 279926, 699815, 1399630, 1819519, 3639038, 9097595, 18195190]

約数ペア:

[(1, 18195190), (2, 9097595), (5, 3639038), (10, 1819519), (13, 1399630), (26, 699815), (65, 279926), (67, 271570), (130, 139963), (134, 135785), (335, 54314), (670, 27157), (871, 20890), (1742, 10445), (2089, 8710), (4178, 4355)]