18231040

素因数分解:

$2^8\times 5^1\times {\mathrm{14243}}^1$

素因数の和:14264

約数の個数: 36

約数和(自身を含む): 43672104

約数和(自身を除く): 25441064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 14243, 28486, 56972, 71215, 113944, 142430, 227888, 284860, 455776, 569720, 911552, 1139440, 1823104, 2278880, 3646208, 4557760, 9115520, 18231040]

約数ペア:

[(1, 18231040), (2, 9115520), (4, 4557760), (5, 3646208), (8, 2278880), (10, 1823104), (16, 1139440), (20, 911552), (32, 569720), (40, 455776), (64, 284860), (80, 227888), (128, 142430), (160, 113944), (256, 71215), (320, 56972), (640, 28486), (1280, 14243)]