18504320

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1045

約数の個数: 64

約数和(自身を含む): 45808200

約数和(自身を除く): 27303880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 997, 1160, 1856, 1994, 2320, 3712, 3988, 4640, 4985, 7976, 9280, 9970, 15952, 18560, 19940, 28913, 31904, 39880, 57826, 63808, 79760, 115652, 127616, 144565, 159520, 231304, 289130, 319040, 462608, 578260, 638080, 925216, 1156520, 1850432, 2313040, 3700864, 4626080, 9252160, 18504320]

約数ペア:

[(1, 18504320), (2, 9252160), (4, 4626080), (5, 3700864), (8, 2313040), (10, 1850432), (16, 1156520), (20, 925216), (29, 638080), (32, 578260), (40, 462608), (58, 319040), (64, 289130), (80, 231304), (116, 159520), (128, 144565), (145, 127616), (160, 115652), (232, 79760), (290, 63808), (320, 57826), (464, 39880), (580, 31904), (640, 28913), (928, 19940), (997, 18560), (1160, 15952), (1856, 9970), (1994, 9280), (2320, 7976), (3712, 4985), (3988, 4640)]