19060990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7717}}^1$

素因数の和:7756

約数の個数: 32

約数和(自身を含む): 38898720

約数和(自身を除く): 19837730

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7717, 15434, 38585, 77170, 100321, 146623, 200642, 293246, 501605, 733115, 1003210, 1466230, 1906099, 3812198, 9530495, 19060990]

約数ペア:

[(1, 19060990), (2, 9530495), (5, 3812198), (10, 1906099), (13, 1466230), (19, 1003210), (26, 733115), (38, 501605), (65, 293246), (95, 200642), (130, 146623), (190, 100321), (247, 77170), (494, 38585), (1235, 15434), (2470, 7717)]