18045860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1553}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 43860096

約数和(自身を除く): 25814236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1553, 1660, 2324, 2905, 3106, 5810, 6212, 7765, 10871, 11620, 15530, 21742, 31060, 43484, 54355, 108710, 128899, 217420, 257798, 515596, 644495, 902293, 1288990, 1804586, 2577980, 3609172, 4511465, 9022930, 18045860]

約数ペア:

[(1, 18045860), (2, 9022930), (4, 4511465), (5, 3609172), (7, 2577980), (10, 1804586), (14, 1288990), (20, 902293), (28, 644495), (35, 515596), (70, 257798), (83, 217420), (140, 128899), (166, 108710), (332, 54355), (415, 43484), (581, 31060), (830, 21742), (1162, 15530), (1553, 11620), (1660, 10871), (2324, 7765), (2905, 6212), (3106, 5810)]