19654448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6569}}^1$

素因数の和:6605

約数の個数: 40

約数和(自身を含む): 43992720

約数和(自身を除く): 24338272

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 6569, 13138, 26276, 52552, 72259, 105104, 111673, 144518, 223346, 289036, 446692, 578072, 893384, 1156144, 1228403, 1786768, 2456806, 4913612, 9827224, 19654448]

約数ペア:

[(1, 19654448), (2, 9827224), (4, 4913612), (8, 2456806), (11, 1786768), (16, 1228403), (17, 1156144), (22, 893384), (34, 578072), (44, 446692), (68, 289036), (88, 223346), (136, 144518), (176, 111673), (187, 105104), (272, 72259), (374, 52552), (748, 26276), (1496, 13138), (2992, 6569)]