18557506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 33864480

約数和(自身を除く): 15306974

約数列:

[1, 2, 11, 17, 22, 29, 34, 58, 59, 118, 187, 319, 374, 493, 638, 649, 841, 986, 1003, 1298, 1682, 1711, 2006, 3422, 5423, 9251, 10846, 11033, 14297, 18502, 18821, 22066, 28594, 29087, 37642, 49619, 58174, 99238, 157267, 314534, 319957, 545809, 639914, 843523, 1091618, 1687046, 9278753, 18557506]

約数ペア:

[(1, 18557506), (2, 9278753), (11, 1687046), (17, 1091618), (22, 843523), (29, 639914), (34, 545809), (58, 319957), (59, 314534), (118, 157267), (187, 99238), (319, 58174), (374, 49619), (493, 37642), (638, 29087), (649, 28594), (841, 22066), (986, 18821), (1003, 18502), (1298, 14297), (1682, 11033), (1711, 10846), (2006, 9251), (3422, 5423)]