18369333

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 30326400

約数和(自身を除く): 11957067

約数列:

[1, 3, 9, 17, 19, 51, 57, 71, 89, 153, 171, 213, 267, 323, 639, 801, 969, 1207, 1349, 1513, 1691, 2907, 3621, 4047, 4539, 5073, 6319, 10863, 12141, 13617, 15219, 18957, 22933, 28747, 56871, 68799, 86241, 107423, 120061, 206397, 258723, 322269, 360183, 966807, 1080549, 2041037, 6123111, 18369333]

約数ペア:

[(1, 18369333), (3, 6123111), (9, 2041037), (17, 1080549), (19, 966807), (51, 360183), (57, 322269), (71, 258723), (89, 206397), (153, 120061), (171, 107423), (213, 86241), (267, 68799), (323, 56871), (639, 28747), (801, 22933), (969, 18957), (1207, 15219), (1349, 13617), (1513, 12141), (1691, 10863), (2907, 6319), (3621, 5073), (4047, 4539)]