19559584

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 22818752

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 181, 307, 352, 362, 614, 724, 1228, 1448, 1991, 2456, 2896, 3377, 3982, 4912, 5792, 6754, 7964, 9824, 13508, 15928, 27016, 31856, 54032, 55567, 63712, 108064, 111134, 222268, 444536, 611237, 889072, 1222474, 1778144, 2444948, 4889896, 9779792, 19559584]

約数ペア:

[(1, 19559584), (2, 9779792), (4, 4889896), (8, 2444948), (11, 1778144), (16, 1222474), (22, 889072), (32, 611237), (44, 444536), (88, 222268), (176, 111134), (181, 108064), (307, 63712), (352, 55567), (362, 54032), (614, 31856), (724, 27016), (1228, 15928), (1448, 13508), (1991, 9824), (2456, 7964), (2896, 6754), (3377, 5792), (3982, 4912)]