19618456

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 43570800

約数和(自身を除く): 23952344

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1559, 1573, 3118, 3146, 6236, 6292, 12472, 12584, 17149, 20267, 34298, 40534, 68596, 81068, 137192, 162136, 188639, 222937, 377278, 445874, 754556, 891748, 1509112, 1783496, 2452307, 4904614, 9809228, 19618456]

約数ペア:

[(1, 19618456), (2, 9809228), (4, 4904614), (8, 2452307), (11, 1783496), (13, 1509112), (22, 891748), (26, 754556), (44, 445874), (52, 377278), (88, 222937), (104, 188639), (121, 162136), (143, 137192), (242, 81068), (286, 68596), (484, 40534), (572, 34298), (968, 20267), (1144, 17149), (1559, 12584), (1573, 12472), (3118, 6292), (3146, 6236)]