19710954

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1013}}^1$

素因数の和:1091

約数の個数: 48

約数和(自身を含む): 45556992

約数和(自身を除く): 25846038

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 47, 69, 94, 138, 141, 207, 282, 414, 423, 846, 1013, 1081, 2026, 2162, 3039, 3243, 6078, 6486, 9117, 9729, 18234, 19458, 23299, 46598, 47611, 69897, 95222, 139794, 142833, 209691, 285666, 419382, 428499, 856998, 1095053, 2190106, 3285159, 6570318, 9855477, 19710954]

約数ペア:

[(1, 19710954), (2, 9855477), (3, 6570318), (6, 3285159), (9, 2190106), (18, 1095053), (23, 856998), (46, 428499), (47, 419382), (69, 285666), (94, 209691), (138, 142833), (141, 139794), (207, 95222), (282, 69897), (414, 47611), (423, 46598), (846, 23299), (1013, 19458), (1081, 18234), (2026, 9729), (2162, 9117), (3039, 6486), (3243, 6078)]