18784766

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{853}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 38163552

約数和(自身を除く): 19378786

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 242, 286, 847, 853, 1001, 1573, 1694, 1706, 2002, 3146, 5971, 9383, 11011, 11089, 11942, 18766, 22022, 22178, 65681, 77623, 103213, 121979, 131362, 155246, 206426, 243958, 722491, 853853, 1341769, 1444982, 1707706, 2683538, 9392383, 18784766]

約数ペア:

[(1, 18784766), (2, 9392383), (7, 2683538), (11, 1707706), (13, 1444982), (14, 1341769), (22, 853853), (26, 722491), (77, 243958), (91, 206426), (121, 155246), (143, 131362), (154, 121979), (182, 103213), (242, 77623), (286, 65681), (847, 22178), (853, 22022), (1001, 18766), (1573, 11942), (1694, 11089), (1706, 11011), (2002, 9383), (3146, 5971)]