19201266

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 49459200

約数和(自身を除く): 30257934

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 79, 126, 158, 189, 237, 378, 474, 553, 643, 711, 1106, 1286, 1422, 1659, 1929, 2133, 3318, 3858, 4266, 4501, 4977, 5787, 9002, 9954, 11574, 13503, 14931, 17361, 27006, 29862, 34722, 40509, 50797, 81018, 101594, 121527, 152391, 243054, 304782, 355579, 457173, 711158, 914346, 1066737, 1371519, 2133474, 2743038, 3200211, 6400422, 9600633, 19201266]

約数ペア:

[(1, 19201266), (2, 9600633), (3, 6400422), (6, 3200211), (7, 2743038), (9, 2133474), (14, 1371519), (18, 1066737), (21, 914346), (27, 711158), (42, 457173), (54, 355579), (63, 304782), (79, 243054), (126, 152391), (158, 121527), (189, 101594), (237, 81018), (378, 50797), (474, 40509), (553, 34722), (643, 29862), (711, 27006), (1106, 17361), (1286, 14931), (1422, 13503), (1659, 11574), (1929, 9954), (2133, 9002), (3318, 5787), (3858, 4977), (4266, 4501)]