19740912

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{4621}}^1$

素因数の和:4721

約数の個数: 40

約数和(自身を含む): 51581520

約数和(自身を除く): 31840608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 4621, 9242, 13863, 18484, 27726, 36968, 55452, 73936, 110904, 221808, 411269, 822538, 1233807, 1645076, 2467614, 3290152, 4935228, 6580304, 9870456, 19740912]

約数ペア:

[(1, 19740912), (2, 9870456), (3, 6580304), (4, 4935228), (6, 3290152), (8, 2467614), (12, 1645076), (16, 1233807), (24, 822538), (48, 411269), (89, 221808), (178, 110904), (267, 73936), (356, 55452), (534, 36968), (712, 27726), (1068, 18484), (1424, 13863), (2136, 9242), (4272, 4621)]