18607384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{379}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 39090600

約数和(自身を除く): 20483216

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 361, 379, 646, 722, 758, 1292, 1444, 1516, 2584, 2888, 3032, 6137, 6443, 7201, 12274, 12886, 14402, 24548, 25772, 28804, 49096, 51544, 57608, 122417, 136819, 244834, 273638, 489668, 547276, 979336, 1094552, 2325923, 4651846, 9303692, 18607384]

約数ペア:

[(1, 18607384), (2, 9303692), (4, 4651846), (8, 2325923), (17, 1094552), (19, 979336), (34, 547276), (38, 489668), (68, 273638), (76, 244834), (136, 136819), (152, 122417), (323, 57608), (361, 51544), (379, 49096), (646, 28804), (722, 25772), (758, 24548), (1292, 14402), (1444, 12886), (1516, 12274), (2584, 7201), (2888, 6443), (3032, 6137)]