19945364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3917}}^1$

素因数の和:4007

約数の個数: 24

約数和(自身を含む): 37299360

約数和(自身を除く): 17353996

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 3917, 5092, 7834, 15668, 74423, 148846, 262439, 297692, 524878, 1049756, 4986341, 9972682, 19945364]

約数ペア:

[(1, 19945364), (2, 9972682), (4, 4986341), (19, 1049756), (38, 524878), (67, 297692), (76, 262439), (134, 148846), (268, 74423), (1273, 15668), (2546, 7834), (3917, 5092)]