19892556

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5471}}^1$

素因数の和:5582

約数の個数: 36

約数和(自身を含む): 50791104

約数和(自身を除く): 30898548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 5471, 10942, 16413, 21884, 32826, 49239, 65652, 98478, 196956, 552571, 1105142, 1657713, 2210284, 3315426, 4973139, 6630852, 9946278, 19892556]

約数ペア:

[(1, 19892556), (2, 9946278), (3, 6630852), (4, 4973139), (6, 3315426), (9, 2210284), (12, 1657713), (18, 1105142), (36, 552571), (101, 196956), (202, 98478), (303, 65652), (404, 49239), (606, 32826), (909, 21884), (1212, 16413), (1818, 10942), (3636, 5471)]