18576220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1931}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 43168608

約数和(自身を除く): 24592388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 1931, 2405, 3862, 4810, 7724, 9620, 9655, 19310, 25103, 38620, 50206, 71447, 100412, 125515, 142894, 251030, 285788, 357235, 502060, 714470, 928811, 1428940, 1857622, 3715244, 4644055, 9288110, 18576220]

約数ペア:

[(1, 18576220), (2, 9288110), (4, 4644055), (5, 3715244), (10, 1857622), (13, 1428940), (20, 928811), (26, 714470), (37, 502060), (52, 357235), (65, 285788), (74, 251030), (130, 142894), (148, 125515), (185, 100412), (260, 71447), (370, 50206), (481, 38620), (740, 25103), (962, 19310), (1924, 9655), (1931, 9620), (2405, 7724), (3862, 4810)]