18138340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2843}}^1$

素因数の和:2892

約数の個数: 48

約数和(自身を含む): 43001280

約数和(自身を除く): 24862940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 2843, 3190, 5686, 6380, 11372, 14215, 28430, 31273, 56860, 62546, 82447, 125092, 156365, 164894, 312730, 329788, 412235, 625460, 824470, 906917, 1648940, 1813834, 3627668, 4534585, 9069170, 18138340]

約数ペア:

[(1, 18138340), (2, 9069170), (4, 4534585), (5, 3627668), (10, 1813834), (11, 1648940), (20, 906917), (22, 824470), (29, 625460), (44, 412235), (55, 329788), (58, 312730), (110, 164894), (116, 156365), (145, 125092), (220, 82447), (290, 62546), (319, 56860), (580, 31273), (638, 28430), (1276, 14215), (1595, 11372), (2843, 6380), (3190, 5686)]