18828972

素因数分解:

$2^2\times 3^2\times {\mathrm{563}}^1\times {\mathrm{929}}^1$

素因数の和:1502

約数の個数: 36

約数和(自身を含む): 47731320

約数和(自身を除く): 28902348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563, 929, 1126, 1689, 1858, 2252, 2787, 3378, 3716, 5067, 5574, 6756, 8361, 10134, 11148, 16722, 20268, 33444, 523027, 1046054, 1569081, 2092108, 3138162, 4707243, 6276324, 9414486, 18828972]

約数ペア:

[(1, 18828972), (2, 9414486), (3, 6276324), (4, 4707243), (6, 3138162), (9, 2092108), (12, 1569081), (18, 1046054), (36, 523027), (563, 33444), (929, 20268), (1126, 16722), (1689, 11148), (1858, 10134), (2252, 8361), (2787, 6756), (3378, 5574), (3716, 5067)]