180520218

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{20509}}^1$

素因数の和:20683

約数の個数: 32

約数和(自身を含む): 403636800

約数和(自身を除く): 223116582

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2934, 4401, 8802, 20509, 41018, 61527, 123054, 184581, 369162, 553743, 1107486, 3342967, 6685934, 10028901, 20057802, 30086703, 60173406, 90260109, 180520218]

約数ペア:

[(1, 180520218), (2, 90260109), (3, 60173406), (6, 30086703), (9, 20057802), (18, 10028901), (27, 6685934), (54, 3342967), (163, 1107486), (326, 553743), (489, 369162), (978, 184581), (1467, 123054), (2934, 61527), (4401, 41018), (8802, 20509)]