18997088

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1861}}^1$

素因数の和:1911

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 23233072

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 88, 116, 176, 232, 319, 352, 464, 638, 928, 1276, 1861, 2552, 3722, 5104, 7444, 10208, 14888, 20471, 29776, 40942, 53969, 59552, 81884, 107938, 163768, 215876, 327536, 431752, 593659, 655072, 863504, 1187318, 1727008, 2374636, 4749272, 9498544, 18997088]

約数ペア:

[(1, 18997088), (2, 9498544), (4, 4749272), (8, 2374636), (11, 1727008), (16, 1187318), (22, 863504), (29, 655072), (32, 593659), (44, 431752), (58, 327536), (88, 215876), (116, 163768), (176, 107938), (232, 81884), (319, 59552), (352, 53969), (464, 40942), (638, 29776), (928, 20471), (1276, 14888), (1861, 10208), (2552, 7444), (3722, 5104)]