19179856

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13469}}^1$

素因数の和:13566

約数の個数: 20

約数和(自身を含む): 37581300

約数和(自身を除く): 18401444

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13469, 26938, 53876, 107752, 215504, 1198741, 2397482, 4794964, 9589928, 19179856]

約数ペア:

[(1, 19179856), (2, 9589928), (4, 4794964), (8, 2397482), (16, 1198741), (89, 215504), (178, 107752), (356, 53876), (712, 26938), (1424, 13469)]