19955548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3919}}^1$

素因数の和:4009

約数の個数: 24

約数和(自身を含む): 37318400

約数和(自身を除く): 17362852

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 3919, 5092, 7838, 15676, 74461, 148922, 262573, 297844, 525146, 1050292, 4988887, 9977774, 19955548]

約数ペア:

[(1, 19955548), (2, 9977774), (4, 4988887), (19, 1050292), (38, 525146), (67, 297844), (76, 262573), (134, 148922), (268, 74461), (1273, 15676), (2546, 7838), (3919, 5092)]