19667984

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2621}}^1$

素因数の和:2703

約数の個数: 40

約数和(自身を含む): 44217408

約数和(自身を除く): 24549424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2621, 3752, 5242, 7504, 10484, 18347, 20968, 36694, 41936, 73388, 146776, 175607, 293552, 351214, 702428, 1229249, 1404856, 2458498, 2809712, 4916996, 9833992, 19667984]

約数ペア:

[(1, 19667984), (2, 9833992), (4, 4916996), (7, 2809712), (8, 2458498), (14, 1404856), (16, 1229249), (28, 702428), (56, 351214), (67, 293552), (112, 175607), (134, 146776), (268, 73388), (469, 41936), (536, 36694), (938, 20968), (1072, 18347), (1876, 10484), (2621, 7504), (3752, 5242)]