18843528

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 51865920

約数和(自身を除く): 33022392

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 137, 264, 274, 411, 521, 548, 822, 1042, 1096, 1507, 1563, 1644, 2084, 3014, 3126, 3288, 4168, 4521, 5731, 6028, 6252, 9042, 11462, 12056, 12504, 17193, 18084, 22924, 34386, 36168, 45848, 68772, 71377, 137544, 142754, 214131, 285508, 428262, 571016, 785147, 856524, 1570294, 1713048, 2355441, 3140588, 4710882, 6281176, 9421764, 18843528]

約数ペア:

[(1, 18843528), (2, 9421764), (3, 6281176), (4, 4710882), (6, 3140588), (8, 2355441), (11, 1713048), (12, 1570294), (22, 856524), (24, 785147), (33, 571016), (44, 428262), (66, 285508), (88, 214131), (132, 142754), (137, 137544), (264, 71377), (274, 68772), (411, 45848), (521, 36168), (548, 34386), (822, 22924), (1042, 18084), (1096, 17193), (1507, 12504), (1563, 12056), (1644, 11462), (2084, 9042), (3014, 6252), (3126, 6028), (3288, 5731), (4168, 4521)]