19029340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1291}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 44279424

約数和(自身を除く): 25250084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1291, 1340, 1474, 2582, 2948, 3685, 5164, 6455, 7370, 12910, 14201, 14740, 25820, 28402, 56804, 71005, 86497, 142010, 172994, 284020, 345988, 432485, 864970, 951467, 1729940, 1902934, 3805868, 4757335, 9514670, 19029340]

約数ペア:

[(1, 19029340), (2, 9514670), (4, 4757335), (5, 3805868), (10, 1902934), (11, 1729940), (20, 951467), (22, 864970), (44, 432485), (55, 345988), (67, 284020), (110, 172994), (134, 142010), (220, 86497), (268, 71005), (335, 56804), (670, 28402), (737, 25820), (1291, 14740), (1340, 14201), (1474, 12910), (2582, 7370), (2948, 6455), (3685, 5164)]