18723276

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3637}}^1$

素因数の和:3671

約数の個数: 72

約数和(自身を含む): 55617744

約数和(自身を除く): 36894468

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 3637, 5148, 7274, 10911, 14548, 21822, 32733, 40007, 43644, 47281, 65466, 80014, 94562, 120021, 130932, 141843, 160028, 189124, 240042, 283686, 360063, 425529, 480084, 520091, 567372, 720126, 851058, 1040182, 1440252, 1560273, 1702116, 2080364, 3120546, 4680819, 6241092, 9361638, 18723276]

約数ペア:

[(1, 18723276), (2, 9361638), (3, 6241092), (4, 4680819), (6, 3120546), (9, 2080364), (11, 1702116), (12, 1560273), (13, 1440252), (18, 1040182), (22, 851058), (26, 720126), (33, 567372), (36, 520091), (39, 480084), (44, 425529), (52, 360063), (66, 283686), (78, 240042), (99, 189124), (117, 160028), (132, 141843), (143, 130932), (156, 120021), (198, 94562), (234, 80014), (286, 65466), (396, 47281), (429, 43644), (468, 40007), (572, 32733), (858, 21822), (1287, 14548), (1716, 10911), (2574, 7274), (3637, 5148)]