19733970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 50544000

約数和(自身を除く): 30810030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 89, 95, 114, 178, 190, 267, 285, 389, 445, 534, 570, 778, 890, 1167, 1335, 1691, 1945, 2334, 2670, 3382, 3890, 5073, 5835, 7391, 8455, 10146, 11670, 14782, 16910, 22173, 25365, 34621, 36955, 44346, 50730, 69242, 73910, 103863, 110865, 173105, 207726, 221730, 346210, 519315, 657799, 1038630, 1315598, 1973397, 3288995, 3946794, 6577990, 9866985, 19733970]

約数ペア:

[(1, 19733970), (2, 9866985), (3, 6577990), (5, 3946794), (6, 3288995), (10, 1973397), (15, 1315598), (19, 1038630), (30, 657799), (38, 519315), (57, 346210), (89, 221730), (95, 207726), (114, 173105), (178, 110865), (190, 103863), (267, 73910), (285, 69242), (389, 50730), (445, 44346), (534, 36955), (570, 34621), (778, 25365), (890, 22173), (1167, 16910), (1335, 14782), (1691, 11670), (1945, 10146), (2334, 8455), (2670, 7391), (3382, 5835), (3890, 5073)]