18938244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1663}}^1$

素因数の和:1756

約数の個数: 48

約数和(自身を含む): 48269312

約数和(自身を除く): 29331068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 219, 292, 438, 876, 949, 1663, 1898, 2847, 3326, 3796, 4989, 5694, 6652, 9978, 11388, 19956, 21619, 43238, 64857, 86476, 121399, 129714, 242798, 259428, 364197, 485596, 728394, 1456788, 1578187, 3156374, 4734561, 6312748, 9469122, 18938244]

約数ペア:

[(1, 18938244), (2, 9469122), (3, 6312748), (4, 4734561), (6, 3156374), (12, 1578187), (13, 1456788), (26, 728394), (39, 485596), (52, 364197), (73, 259428), (78, 242798), (146, 129714), (156, 121399), (219, 86476), (292, 64857), (438, 43238), (876, 21619), (949, 19956), (1663, 11388), (1898, 9978), (2847, 6652), (3326, 5694), (3796, 4989)]