19955796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{673}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 53445504

約数和(自身を除く): 33489708

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 353, 673, 706, 1059, 1346, 1412, 2019, 2118, 2471, 2692, 4038, 4236, 4711, 4942, 7413, 8076, 9422, 9884, 14133, 14826, 18844, 28266, 29652, 56532, 237569, 475138, 712707, 950276, 1425414, 1662983, 2850828, 3325966, 4988949, 6651932, 9977898, 19955796]

約数ペア:

[(1, 19955796), (2, 9977898), (3, 6651932), (4, 4988949), (6, 3325966), (7, 2850828), (12, 1662983), (14, 1425414), (21, 950276), (28, 712707), (42, 475138), (84, 237569), (353, 56532), (673, 29652), (706, 28266), (1059, 18844), (1346, 14826), (1412, 14133), (2019, 9884), (2118, 9422), (2471, 8076), (2692, 7413), (4038, 4942), (4236, 4711)]