19808964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{78607}}^1$

素因数の和:78624

約数の個数: 36

約数和(自身を含む): 57226624

約数和(自身を除く): 37417660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 78607, 157214, 235821, 314428, 471642, 550249, 707463, 943284, 1100498, 1414926, 1650747, 2200996, 2829852, 3301494, 4952241, 6602988, 9904482, 19808964]

約数ペア:

[(1, 19808964), (2, 9904482), (3, 6602988), (4, 4952241), (6, 3301494), (7, 2829852), (9, 2200996), (12, 1650747), (14, 1414926), (18, 1100498), (21, 943284), (28, 707463), (36, 550249), (42, 471642), (63, 314428), (84, 235821), (126, 157214), (252, 78607)]