19439504

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4691}}^1$

素因数の和:4743

約数の個数: 40

約数和(自身を含む): 44217408

約数和(自身を除く): 24777904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 4691, 9382, 18764, 32837, 37528, 65674, 75056, 131348, 173567, 262696, 347134, 525392, 694268, 1214969, 1388536, 2429938, 2777072, 4859876, 9719752, 19439504]

約数ペア:

[(1, 19439504), (2, 9719752), (4, 4859876), (7, 2777072), (8, 2429938), (14, 1388536), (16, 1214969), (28, 694268), (37, 525392), (56, 347134), (74, 262696), (112, 173567), (148, 131348), (259, 75056), (296, 65674), (518, 37528), (592, 32837), (1036, 18764), (2072, 9382), (4144, 4691)]