18987572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{953}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 35339976

約数和(自身を除く): 16352404

約数列:

[1, 2, 4, 17, 34, 68, 293, 586, 953, 1172, 1906, 3812, 4981, 9962, 16201, 19924, 32402, 64804, 279229, 558458, 1116916, 4746893, 9493786, 18987572]

約数ペア:

[(1, 18987572), (2, 9493786), (4, 4746893), (17, 1116916), (34, 558458), (68, 279229), (293, 64804), (586, 32402), (953, 19924), (1172, 16201), (1906, 9962), (3812, 4981)]