19803828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 53089344

約数和(自身を除く): 33285516

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 121, 132, 138, 242, 253, 276, 363, 484, 506, 593, 726, 759, 1012, 1186, 1452, 1518, 1779, 2372, 2783, 3036, 3558, 5566, 6523, 7116, 8349, 11132, 13046, 13639, 16698, 19569, 26092, 27278, 33396, 39138, 40917, 54556, 71753, 78276, 81834, 143506, 150029, 163668, 215259, 287012, 300058, 430518, 450087, 600116, 861036, 900174, 1650319, 1800348, 3300638, 4950957, 6601276, 9901914, 19803828]

約数ペア:

[(1, 19803828), (2, 9901914), (3, 6601276), (4, 4950957), (6, 3300638), (11, 1800348), (12, 1650319), (22, 900174), (23, 861036), (33, 600116), (44, 450087), (46, 430518), (66, 300058), (69, 287012), (92, 215259), (121, 163668), (132, 150029), (138, 143506), (242, 81834), (253, 78276), (276, 71753), (363, 54556), (484, 40917), (506, 39138), (593, 33396), (726, 27278), (759, 26092), (1012, 19569), (1186, 16698), (1452, 13639), (1518, 13046), (1779, 11132), (2372, 8349), (2783, 7116), (3036, 6523), (3558, 5566)]