18123405

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 30533760

約数和(自身を除く): 12410355

約数列:

[1, 3, 5, 15, 29, 61, 87, 145, 183, 305, 435, 683, 915, 1769, 2049, 3415, 5307, 8845, 10245, 19807, 26535, 41663, 59421, 99035, 124989, 208315, 297105, 624945, 1208227, 3624681, 6041135, 18123405]

約数ペア:

[(1, 18123405), (3, 6041135), (5, 3624681), (15, 1208227), (29, 624945), (61, 297105), (87, 208315), (145, 124989), (183, 99035), (305, 59421), (435, 41663), (683, 26535), (915, 19807), (1769, 10245), (2049, 8845), (3415, 5307)]