19928318

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11059}}^1$

素因数の和:11131

約数の個数: 16

約数和(自身を含む): 32250960

約数和(自身を除く): 12322642

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11059, 22118, 188003, 376006, 586127, 1172254, 9964159, 19928318]

約数ペア:

[(1, 19928318), (2, 9964159), (17, 1172254), (34, 586127), (53, 376006), (106, 188003), (901, 22118), (1802, 11059)]