18004720

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3083}}^1$

素因数の和:3169

約数の個数: 40

約数和(自身を含む): 42448176

約数和(自身を除く): 24443456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3083, 5840, 6166, 12332, 15415, 24664, 30830, 49328, 61660, 123320, 225059, 246640, 450118, 900236, 1125295, 1800472, 2250590, 3600944, 4501180, 9002360, 18004720]

約数ペア:

[(1, 18004720), (2, 9002360), (4, 4501180), (5, 3600944), (8, 2250590), (10, 1800472), (16, 1125295), (20, 900236), (40, 450118), (73, 246640), (80, 225059), (146, 123320), (292, 61660), (365, 49328), (584, 30830), (730, 24664), (1168, 15415), (1460, 12332), (2920, 6166), (3083, 5840)]