18143172

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 48176856

約数和(自身を除く): 30033684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 53, 74, 106, 111, 148, 159, 212, 222, 257, 318, 333, 444, 477, 514, 636, 666, 771, 954, 1028, 1332, 1542, 1908, 1961, 2313, 3084, 3922, 4626, 5883, 7844, 9252, 9509, 11766, 13621, 17649, 19018, 23532, 27242, 28527, 35298, 38036, 40863, 54484, 57054, 70596, 81726, 85581, 114108, 122589, 163452, 171162, 245178, 342324, 490356, 503977, 1007954, 1511931, 2015908, 3023862, 4535793, 6047724, 9071586, 18143172]

約数ペア:

[(1, 18143172), (2, 9071586), (3, 6047724), (4, 4535793), (6, 3023862), (9, 2015908), (12, 1511931), (18, 1007954), (36, 503977), (37, 490356), (53, 342324), (74, 245178), (106, 171162), (111, 163452), (148, 122589), (159, 114108), (212, 85581), (222, 81726), (257, 70596), (318, 57054), (333, 54484), (444, 40863), (477, 38036), (514, 35298), (636, 28527), (666, 27242), (771, 23532), (954, 19018), (1028, 17649), (1332, 13621), (1542, 11766), (1908, 9509), (1961, 9252), (2313, 7844), (3084, 5883), (3922, 4626)]