19887588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78919}}^1$

素因数の和:78936

約数の個数: 36

約数和(自身を含む): 57453760

約数和(自身を除く): 37566172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78919, 157838, 236757, 315676, 473514, 552433, 710271, 947028, 1104866, 1420542, 1657299, 2209732, 2841084, 3314598, 4971897, 6629196, 9943794, 19887588]

約数ペア:

[(1, 19887588), (2, 9943794), (3, 6629196), (4, 4971897), (6, 3314598), (7, 2841084), (9, 2209732), (12, 1657299), (14, 1420542), (18, 1104866), (21, 947028), (28, 710271), (36, 552433), (42, 473514), (63, 315676), (84, 236757), (126, 157838), (252, 78919)]