18672255

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19759}}^1$

素因数の和:19780

約数の個数: 32

約数和(自身を含む): 37939200

約数和(自身を除く): 19266945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 19759, 59277, 98795, 138313, 177831, 296385, 414939, 533493, 691565, 889155, 1244817, 2074695, 2667465, 3734451, 6224085, 18672255]

約数ペア:

[(1, 18672255), (3, 6224085), (5, 3734451), (7, 2667465), (9, 2074695), (15, 1244817), (21, 889155), (27, 691565), (35, 533493), (45, 414939), (63, 296385), (105, 177831), (135, 138313), (189, 98795), (315, 59277), (945, 19759)]