19876485

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3389}}^1$

素因数の和:3437

約数の個数: 32

約数和(自身を含む): 35147520

約数和(自身を除く): 15271035

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 3389, 5865, 10167, 16945, 50835, 57613, 77947, 172839, 233841, 288065, 389735, 864195, 1169205, 1325099, 3975297, 6625495, 19876485]

約数ペア:

[(1, 19876485), (3, 6625495), (5, 3975297), (15, 1325099), (17, 1169205), (23, 864195), (51, 389735), (69, 288065), (85, 233841), (115, 172839), (255, 77947), (345, 57613), (391, 50835), (1173, 16945), (1955, 10167), (3389, 5865)]