18288621

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{433}}^1$

素因数の和:490

約数の個数: 36

約数和(自身を含む): 30094428

約数和(自身を除く): 11805807

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 361, 433, 741, 1083, 1299, 2223, 3249, 3897, 4693, 5629, 8227, 14079, 16887, 24681, 42237, 50661, 74043, 106951, 156313, 320853, 468939, 962559, 1406817, 2032069, 6096207, 18288621]

約数ペア:

[(1, 18288621), (3, 6096207), (9, 2032069), (13, 1406817), (19, 962559), (39, 468939), (57, 320853), (117, 156313), (171, 106951), (247, 74043), (361, 50661), (433, 42237), (741, 24681), (1083, 16887), (1299, 14079), (2223, 8227), (3249, 5629), (3897, 4693)]