18154880

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1531

約数の個数: 64

約数和(自身を含む): 45716400

約数和(自身を除く): 27561520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1493, 1520, 2432, 2986, 3040, 5972, 6080, 7465, 11944, 12160, 14930, 23888, 28367, 29860, 47776, 56734, 59720, 95552, 113468, 119440, 141835, 191104, 226936, 238880, 283670, 453872, 477760, 567340, 907744, 955520, 1134680, 1815488, 2269360, 3630976, 4538720, 9077440, 18154880]

約数ペア:

[(1, 18154880), (2, 9077440), (4, 4538720), (5, 3630976), (8, 2269360), (10, 1815488), (16, 1134680), (19, 955520), (20, 907744), (32, 567340), (38, 477760), (40, 453872), (64, 283670), (76, 238880), (80, 226936), (95, 191104), (128, 141835), (152, 119440), (160, 113468), (190, 95552), (304, 59720), (320, 56734), (380, 47776), (608, 29860), (640, 28367), (760, 23888), (1216, 14930), (1493, 12160), (1520, 11944), (2432, 7465), (2986, 6080), (3040, 5972)]