18273136

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 44124160

約数和(自身を除く): 25851024

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 277, 304, 434, 496, 532, 554, 589, 868, 1064, 1108, 1178, 1736, 1939, 2128, 2216, 2356, 3472, 3878, 4123, 4432, 4712, 5263, 7756, 8246, 8587, 9424, 10526, 15512, 16492, 17174, 21052, 31024, 32984, 34348, 36841, 42104, 60109, 65968, 68696, 73682, 84208, 120218, 137392, 147364, 163153, 240436, 294728, 326306, 480872, 589456, 652612, 961744, 1142071, 1305224, 2284142, 2610448, 4568284, 9136568, 18273136]

約数ペア:

[(1, 18273136), (2, 9136568), (4, 4568284), (7, 2610448), (8, 2284142), (14, 1305224), (16, 1142071), (19, 961744), (28, 652612), (31, 589456), (38, 480872), (56, 326306), (62, 294728), (76, 240436), (112, 163153), (124, 147364), (133, 137392), (152, 120218), (217, 84208), (248, 73682), (266, 68696), (277, 65968), (304, 60109), (434, 42104), (496, 36841), (532, 34348), (554, 32984), (589, 31024), (868, 21052), (1064, 17174), (1108, 16492), (1178, 15512), (1736, 10526), (1939, 9424), (2128, 8587), (2216, 8246), (2356, 7756), (3472, 5263), (3878, 4712), (4123, 4432)]