18807366963

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{309571}}^1$

素因数の和:309855

約数の個数: 32

約数和(自身を含む): 31383171072

約数和(自身を除く): 12575804109

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 263, 789, 1841, 2893, 5523, 8679, 20251, 60753, 309571, 928713, 2166997, 3405281, 6500991, 10215843, 23836967, 71510901, 81417173, 244251519, 569920211, 895588903, 1709760633, 2686766709, 6269122321, 18807366963]

約数ペア:

[(1, 18807366963), (3, 6269122321), (7, 2686766709), (11, 1709760633), (21, 895588903), (33, 569920211), (77, 244251519), (231, 81417173), (263, 71510901), (789, 23836967), (1841, 10215843), (2893, 6500991), (5523, 3405281), (8679, 2166997), (20251, 928713), (60753, 309571)]