19927145

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 29299968

約数和(自身を除く): 9372823

約数列:

[1, 5, 7, 17, 35, 85, 107, 119, 313, 535, 595, 749, 1565, 1819, 2191, 3745, 5321, 9095, 10955, 12733, 26605, 33491, 37247, 63665, 167455, 186235, 234437, 569347, 1172185, 2846735, 3985429, 19927145]

約数ペア:

[(1, 19927145), (5, 3985429), (7, 2846735), (17, 1172185), (35, 569347), (85, 234437), (107, 186235), (119, 167455), (313, 63665), (535, 37247), (595, 33491), (749, 26605), (1565, 12733), (1819, 10955), (2191, 9095), (3745, 5321)]