18706880

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1103}}^1$

素因数の和:1173

約数の個数: 56

約数和(自身を含む): 45427392

約数和(自身を除く): 26720512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1103, 1696, 2120, 2206, 3392, 4240, 4412, 5515, 8480, 8824, 11030, 16960, 17648, 22060, 35296, 44120, 58459, 70592, 88240, 116918, 176480, 233836, 292295, 352960, 467672, 584590, 935344, 1169180, 1870688, 2338360, 3741376, 4676720, 9353440, 18706880]

約数ペア:

[(1, 18706880), (2, 9353440), (4, 4676720), (5, 3741376), (8, 2338360), (10, 1870688), (16, 1169180), (20, 935344), (32, 584590), (40, 467672), (53, 352960), (64, 292295), (80, 233836), (106, 176480), (160, 116918), (212, 88240), (265, 70592), (320, 58459), (424, 44120), (530, 35296), (848, 22060), (1060, 17648), (1103, 16960), (1696, 11030), (2120, 8824), (2206, 8480), (3392, 5515), (4240, 4412)]