19991460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4973}}^1$

素因数の和:5052

約数の個数: 48

約数和(自身を含む): 56822976

約数和(自身を除く): 36831516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4973, 9946, 14919, 19892, 24865, 29838, 49730, 59676, 74595, 99460, 149190, 298380, 333191, 666382, 999573, 1332764, 1665955, 1999146, 3331910, 3998292, 4997865, 6663820, 9995730, 19991460]

約数ペア:

[(1, 19991460), (2, 9995730), (3, 6663820), (4, 4997865), (5, 3998292), (6, 3331910), (10, 1999146), (12, 1665955), (15, 1332764), (20, 999573), (30, 666382), (60, 333191), (67, 298380), (134, 149190), (201, 99460), (268, 74595), (335, 59676), (402, 49730), (670, 29838), (804, 24865), (1005, 19892), (1340, 14919), (2010, 9946), (4020, 4973)]