18877194

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{643}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 47017152

約数和(自身を除く): 28139958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 233, 466, 643, 699, 1286, 1398, 1631, 1929, 2097, 3262, 3858, 4194, 4501, 4893, 5787, 9002, 9786, 11574, 13503, 14679, 27006, 29358, 40509, 81018, 149819, 299638, 449457, 898914, 1048733, 1348371, 2097466, 2696742, 3146199, 6292398, 9438597, 18877194]

約数ペア:

[(1, 18877194), (2, 9438597), (3, 6292398), (6, 3146199), (7, 2696742), (9, 2097466), (14, 1348371), (18, 1048733), (21, 898914), (42, 449457), (63, 299638), (126, 149819), (233, 81018), (466, 40509), (643, 29358), (699, 27006), (1286, 14679), (1398, 13503), (1631, 11574), (1929, 9786), (2097, 9002), (3262, 5787), (3858, 4893), (4194, 4501)]