18399320

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1201}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 41541120

約数和(自身を除く): 23141800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1201, 1532, 1915, 2402, 3064, 3830, 4804, 6005, 7660, 9608, 12010, 15320, 24020, 48040, 459983, 919966, 1839932, 2299915, 3679864, 4599830, 9199660, 18399320]

約数ペア:

[(1, 18399320), (2, 9199660), (4, 4599830), (5, 3679864), (8, 2299915), (10, 1839932), (20, 919966), (40, 459983), (383, 48040), (766, 24020), (1201, 15320), (1532, 12010), (1915, 9608), (2402, 7660), (3064, 6005), (3830, 4804)]