19972710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73973}}^1$

素因数の和:73989

約数の個数: 32

約数和(自身を含む): 53261280

約数和(自身を除く): 33288570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 73973, 147946, 221919, 369865, 443838, 665757, 739730, 1109595, 1331514, 1997271, 2219190, 3328785, 3994542, 6657570, 9986355, 19972710]

約数ペア:

[(1, 19972710), (2, 9986355), (3, 6657570), (5, 3994542), (6, 3328785), (9, 2219190), (10, 1997271), (15, 1331514), (18, 1109595), (27, 739730), (30, 665757), (45, 443838), (54, 369865), (90, 221919), (135, 147946), (270, 73973)]