18308480

素因数分解:

$2^7\times 5^1\times {\mathrm{28607}}^1$

素因数の和:28626

約数の個数: 32

約数和(自身を含む): 43770240

約数和(自身を除く): 25461760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28607, 57214, 114428, 143035, 228856, 286070, 457712, 572140, 915424, 1144280, 1830848, 2288560, 3661696, 4577120, 9154240, 18308480]

約数ペア:

[(1, 18308480), (2, 9154240), (4, 4577120), (5, 3661696), (8, 2288560), (10, 1830848), (16, 1144280), (20, 915424), (32, 572140), (40, 457712), (64, 286070), (80, 228856), (128, 143035), (160, 114428), (320, 57214), (640, 28607)]