18878055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7817}}^1$

素因数の和:7855

約数の個数: 32

約数和(自身を含む): 36025344

約数和(自身を除く): 17147289

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 7817, 23451, 39085, 54719, 117255, 164157, 179791, 273595, 539373, 820785, 898955, 1258537, 2696865, 3775611, 6292685, 18878055]

約数ペア:

[(1, 18878055), (3, 6292685), (5, 3775611), (7, 2696865), (15, 1258537), (21, 898955), (23, 820785), (35, 539373), (69, 273595), (105, 179791), (115, 164157), (161, 117255), (345, 54719), (483, 39085), (805, 23451), (2415, 7817)]