19105880

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3761}}^1$

素因数の和:3899

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 24232360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3761, 5080, 7522, 15044, 18805, 30088, 37610, 75220, 150440, 477647, 955294, 1910588, 2388235, 3821176, 4776470, 9552940, 19105880]

約数ペア:

[(1, 19105880), (2, 9552940), (4, 4776470), (5, 3821176), (8, 2388235), (10, 1910588), (20, 955294), (40, 477647), (127, 150440), (254, 75220), (508, 37610), (635, 30088), (1016, 18805), (1270, 15044), (2540, 7522), (3761, 5080)]