18723056

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:558

約数の個数: 60

約数和(自身を含む): 42054600

約数和(自身を除く): 23331544

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 418, 484, 509, 836, 968, 1018, 1672, 1936, 2036, 2299, 3344, 4072, 4598, 5599, 8144, 9196, 9671, 11198, 18392, 19342, 22396, 36784, 38684, 44792, 61589, 77368, 89584, 106381, 123178, 154736, 212762, 246356, 425524, 492712, 851048, 985424, 1170191, 1702096, 2340382, 4680764, 9361528, 18723056]

約数ペア:

[(1, 18723056), (2, 9361528), (4, 4680764), (8, 2340382), (11, 1702096), (16, 1170191), (19, 985424), (22, 851048), (38, 492712), (44, 425524), (76, 246356), (88, 212762), (121, 154736), (152, 123178), (176, 106381), (209, 89584), (242, 77368), (304, 61589), (418, 44792), (484, 38684), (509, 36784), (836, 22396), (968, 19342), (1018, 18392), (1672, 11198), (1936, 9671), (2036, 9196), (2299, 8144), (3344, 5599), (4072, 4598)]