18506240

素因数分解:

$2^9\times 5^1\times {\mathrm{7229}}^1$

素因数の和:7252

約数の個数: 40

約数和(自身を含む): 44377740

約数和(自身を除く): 25871500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7229, 14458, 28916, 36145, 57832, 72290, 115664, 144580, 231328, 289160, 462656, 578320, 925312, 1156640, 1850624, 2313280, 3701248, 4626560, 9253120, 18506240]

約数ペア:

[(1, 18506240), (2, 9253120), (4, 4626560), (5, 3701248), (8, 2313280), (10, 1850624), (16, 1156640), (20, 925312), (32, 578320), (40, 462656), (64, 289160), (80, 231328), (128, 144580), (160, 115664), (256, 72290), (320, 57832), (512, 36145), (640, 28916), (1280, 14458), (2560, 7229)]