19898692

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41113}}^1$

素因数の和:41139

約数の個数: 18

約数和(自身を含む): 38277134

約数和(自身を除く): 18378442

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41113, 82226, 164452, 452243, 904486, 1808972, 4974673, 9949346, 19898692]

約数ペア:

[(1, 19898692), (2, 9949346), (4, 4974673), (11, 1808972), (22, 904486), (44, 452243), (121, 164452), (242, 82226), (484, 41113)]