19792112

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7589}}^1$

素因数の和:7760

約数の個数: 20

約数和(自身を含む): 38587560

約数和(自身を除く): 18795448

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7589, 15178, 30356, 60712, 121424, 1237007, 2474014, 4948028, 9896056, 19792112]

約数ペア:

[(1, 19792112), (2, 9896056), (4, 4948028), (8, 2474014), (16, 1237007), (163, 121424), (326, 60712), (652, 30356), (1304, 15178), (2608, 7589)]